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Finding the Fourth Proportional to 124,598.90, 171,946.49 and 68,010.28

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Solution

The fourth proportional to 124,598.90, 171,946.49 and 68,010.28 is: 93,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,598.90 : 171,946.49 = 68,010.28 : x
  2. Step 2: Convert to fraction form
    124,598.90/171,946.49 = 68,010.28/x
  3. Step 3: Cross multiply
    124,598.90x = 171,946.49 × 68,010.28
  4. Step 4: Simplify right side
    124,598.90x = 11,694,128,929.92
  5. Step 5: Solve for x
    x = 11,694,128,929.92/124,598.90
  6. Step 6: Final answer
    x = 93,854.19

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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.