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Finding the Fourth Proportional to 133,752,133.60, 200,628,200.40 and 120,359,820.40

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Solution

The fourth proportional to 133,752,133.60, 200,628,200.40 and 120,359,820.40 is: 180,539,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,752,133.60 : 200,628,200.40 = 120,359,820.40 : x
  2. Step 2: Convert to fraction form
    133,752,133.60/200,628,200.40 = 120,359,820.40/x
  3. Step 3: Cross multiply
    133,752,133.60x = 200,628,200.40 × 120,359,820.40
  4. Step 4: Simplify right side
    133,752,133.60x = 24,147,574,167,319,212
  5. Step 5: Solve for x
    x = 24,147,574,167,319,212/133,752,133.60
  6. Step 6: Final answer
    x = 180,539,730.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.