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Finding the Fourth Proportional to 134,130.60, 201,195.90 and 118,967.40

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Solution

The fourth proportional to 134,130.60, 201,195.90 and 118,967.40 is: 178,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,130.60 : 201,195.90 = 118,967.40 : x
  2. Step 2: Convert to fraction form
    134,130.60/201,195.90 = 118,967.40/x
  3. Step 3: Cross multiply
    134,130.60x = 201,195.90 × 118,967.40
  4. Step 4: Simplify right side
    134,130.60x = 23,935,753,113.66
  5. Step 5: Solve for x
    x = 23,935,753,113.66/134,130.60
  6. Step 6: Final answer
    x = 178,451.10

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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.