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Finding the Fourth Proportional to 144,502.07, 216,731.21 and 39,329.24

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Solution

The fourth proportional to 144,502.07, 216,731.21 and 39,329.24 is: 58,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,502.07 : 216,731.21 = 39,329.24 : x
  2. Step 2: Convert to fraction form
    144,502.07/216,731.21 = 39,329.24/x
  3. Step 3: Cross multiply
    144,502.07x = 216,731.21 × 39,329.24
  4. Step 4: Simplify right side
    144,502.07x = 8,523,872,493.28
  5. Step 5: Solve for x
    x = 8,523,872,493.28/144,502.07
  6. Step 6: Final answer
    x = 58,987.89

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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.