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Finding the Fourth Proportional to 144,366, 216,545.36 and 39,182.24

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Solution

The fourth proportional to 144,366, 216,545.36 and 39,182.24 is: 58,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,366 : 216,545.36 = 39,182.24 : x
  2. Step 2: Convert to fraction form
    144,366/216,545.36 = 39,182.24/x
  3. Step 3: Cross multiply
    144,366x = 216,545.36 × 39,182.24
  4. Step 4: Simplify right side
    144,366x = 8,484,730,987.77
  5. Step 5: Solve for x
    x = 8,484,730,987.77/144,366
  6. Step 6: Final answer
    x = 58,772.36

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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.