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Finding the Fourth Proportional to 124,672, 187,017.78 and 41,566

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Solution

The fourth proportional to 124,672, 187,017.78 and 41,566 is: 62,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,672 : 187,017.78 = 41,566 : x
  2. Step 2: Convert to fraction form
    124,672/187,017.78 = 41,566/x
  3. Step 3: Cross multiply
    124,672x = 187,017.78 × 41,566
  4. Step 4: Simplify right side
    124,672x = 7,773,581,043.48
  5. Step 5: Solve for x
    x = 7,773,581,043.48/124,672
  6. Step 6: Final answer
    x = 62,352.26

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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.