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Finding the Fourth Proportional to 124,627.74, 186,901.62 and 53,531.11

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Solution

The fourth proportional to 124,627.74, 186,901.62 and 53,531.11 is: 80,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,627.74 : 186,901.62 = 53,531.11 : x
  2. Step 2: Convert to fraction form
    124,627.74/186,901.62 = 53,531.11/x
  3. Step 3: Cross multiply
    124,627.74x = 186,901.62 × 53,531.11
  4. Step 4: Simplify right side
    124,627.74x = 10,005,051,179.40
  5. Step 5: Solve for x
    x = 10,005,051,179.40/124,627.74
  6. Step 6: Final answer
    x = 80,279.49

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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.