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Finding the Fourth Proportional to 118,354.58, 177,541.14 and 39,468.86

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Solution

The fourth proportional to 118,354.58, 177,541.14 and 39,468.86 is: 59,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,354.58 : 177,541.14 = 39,468.86 : x
  2. Step 2: Convert to fraction form
    118,354.58/177,541.14 = 39,468.86/x
  3. Step 3: Cross multiply
    118,354.58x = 177,541.14 × 39,468.86
  4. Step 4: Simplify right side
    118,354.58x = 7,007,346,398.90
  5. Step 5: Solve for x
    x = 7,007,346,398.90/118,354.58
  6. Step 6: Final answer
    x = 59,206.38

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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.