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Finding the Fourth Proportional to 124,841.88, 172,268.52 and 73,856.52

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Solution

The fourth proportional to 124,841.88, 172,268.52 and 73,856.52 is: 101,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,841.88 : 172,268.52 = 73,856.52 : x
  2. Step 2: Convert to fraction form
    124,841.88/172,268.52 = 73,856.52/x
  3. Step 3: Cross multiply
    124,841.88x = 172,268.52 × 73,856.52
  4. Step 4: Simplify right side
    124,841.88x = 12,723,153,392.75
  5. Step 5: Solve for x
    x = 12,723,153,392.75/124,841.88
  6. Step 6: Final answer
    x = 101,914.14

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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.