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Finding the Fourth Proportional to 163,602.60, 245,112.30 and 133,859.40

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Solution

The fourth proportional to 163,602.60, 245,112.30 and 133,859.40 is: 200,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.60 : 245,112.30 = 133,859.40 : x
  2. Step 2: Convert to fraction form
    163,602.60/245,112.30 = 133,859.40/x
  3. Step 3: Cross multiply
    163,602.60x = 245,112.30 × 133,859.40
  4. Step 4: Simplify right side
    163,602.60x = 32,810,585,410.62
  5. Step 5: Solve for x
    x = 32,810,585,410.62/163,602.60
  6. Step 6: Final answer
    x = 200,550.51

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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.