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Finding the Fourth Proportional to 205,562.47, 308,396.76 and 63,404.53

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Solution

The fourth proportional to 205,562.47, 308,396.76 and 63,404.53 is: 95,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,562.47 : 308,396.76 = 63,404.53 : x
  2. Step 2: Convert to fraction form
    205,562.47/308,396.76 = 63,404.53/x
  3. Step 3: Cross multiply
    205,562.47x = 308,396.76 × 63,404.53
  4. Step 4: Simplify right side
    205,562.47x = 19,553,751,621.32
  5. Step 5: Solve for x
    x = 19,553,751,621.32/205,562.47
  6. Step 6: Final answer
    x = 95,123.16

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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.