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Finding the Fourth Proportional to 144,662.88, 216,987.28 and 38,044.16

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Solution

The fourth proportional to 144,662.88, 216,987.28 and 38,044.16 is: 57,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,662.88 : 216,987.28 = 38,044.16 : x
  2. Step 2: Convert to fraction form
    144,662.88/216,987.28 = 38,044.16/x
  3. Step 3: Cross multiply
    144,662.88x = 216,987.28 × 38,044.16
  4. Step 4: Simplify right side
    144,662.88x = 8,255,098,798.28
  5. Step 5: Solve for x
    x = 8,255,098,798.28/144,662.88
  6. Step 6: Final answer
    x = 57,064.39

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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.