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Finding the Fourth Proportional to 104,486.71, 144,228.45 and 62,044.95

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Solution

The fourth proportional to 104,486.71, 144,228.45 and 62,044.95 is: 85,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.71 : 144,228.45 = 62,044.95 : x
  2. Step 2: Convert to fraction form
    104,486.71/144,228.45 = 62,044.95/x
  3. Step 3: Cross multiply
    104,486.71x = 144,228.45 × 62,044.95
  4. Step 4: Simplify right side
    104,486.71x = 8,948,646,968.83
  5. Step 5: Solve for x
    x = 8,948,646,968.83/104,486.71
  6. Step 6: Final answer
    x = 85,643.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.