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Finding the Fourth Proportional to 124,563.25, 186,843.12 and 57,966.13

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Solution

The fourth proportional to 124,563.25, 186,843.12 and 57,966.13 is: 86,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,563.25 : 186,843.12 = 57,966.13 : x
  2. Step 2: Convert to fraction form
    124,563.25/186,843.12 = 57,966.13/x
  3. Step 3: Cross multiply
    124,563.25x = 186,843.12 × 57,966.13
  4. Step 4: Simplify right side
    124,563.25x = 10,830,572,583.53
  5. Step 5: Solve for x
    x = 10,830,572,583.53/124,563.25
  6. Step 6: Final answer
    x = 86,948.38

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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.