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Finding the Fourth Proportional to 357,107.38, 535,692.51 and 132,470.26

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Solution

The fourth proportional to 357,107.38, 535,692.51 and 132,470.26 is: 198,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,107.38 : 535,692.51 = 132,470.26 : x
  2. Step 2: Convert to fraction form
    357,107.38/535,692.51 = 132,470.26/x
  3. Step 3: Cross multiply
    357,107.38x = 535,692.51 × 132,470.26
  4. Step 4: Simplify right side
    357,107.38x = 70,963,326,079.75
  5. Step 5: Solve for x
    x = 70,963,326,079.75/357,107.38
  6. Step 6: Final answer
    x = 198,717.05

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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.