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Finding the Fourth Proportional to 124,833.62, 172,248.25 and 73,848.50

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Solution

The fourth proportional to 124,833.62, 172,248.25 and 73,848.50 is: 101,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833.62 : 172,248.25 = 73,848.50 : x
  2. Step 2: Convert to fraction form
    124,833.62/172,248.25 = 73,848.50/x
  3. Step 3: Cross multiply
    124,833.62x = 172,248.25 × 73,848.50
  4. Step 4: Simplify right side
    124,833.62x = 12,720,275,074.75
  5. Step 5: Solve for x
    x = 12,720,275,074.75/124,833.62
  6. Step 6: Final answer
    x = 101,897.83

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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.