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Finding the Fourth Proportional to 352,957.52, 529,535.10 and 142,743.08

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Solution

The fourth proportional to 352,957.52, 529,535.10 and 142,743.08 is: 214,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,957.52 : 529,535.10 = 142,743.08 : x
  2. Step 2: Convert to fraction form
    352,957.52/529,535.10 = 142,743.08/x
  3. Step 3: Cross multiply
    352,957.52x = 529,535.10 × 142,743.08
  4. Step 4: Simplify right side
    352,957.52x = 75,587,471,142.11
  5. Step 5: Solve for x
    x = 75,587,471,142.11/352,957.52
  6. Step 6: Final answer
    x = 214,154.58

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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.