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Finding the Fourth Proportional to 125,224.96, 172,810.04 and 67,865.92

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Solution

The fourth proportional to 125,224.96, 172,810.04 and 67,865.92 is: 93,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.96 : 172,810.04 = 67,865.92 : x
  2. Step 2: Convert to fraction form
    125,224.96/172,810.04 = 67,865.92/x
  3. Step 3: Cross multiply
    125,224.96x = 172,810.04 × 67,865.92
  4. Step 4: Simplify right side
    125,224.96x = 11,727,912,349.84
  5. Step 5: Solve for x
    x = 11,727,912,349.84/125,224.96
  6. Step 6: Final answer
    x = 93,654.75

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1.5x scale

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.