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Finding the Fourth Proportional to 124,396.92, 171,667.76 and 67,808.30

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Solution

The fourth proportional to 124,396.92, 171,667.76 and 67,808.30 is: 93,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,396.92 : 171,667.76 = 67,808.30 : x
  2. Step 2: Convert to fraction form
    124,396.92/171,667.76 = 67,808.30/x
  3. Step 3: Cross multiply
    124,396.92x = 171,667.76 × 67,808.30
  4. Step 4: Simplify right side
    124,396.92x = 11,640,497,773.03
  5. Step 5: Solve for x
    x = 11,640,497,773.03/124,396.92
  6. Step 6: Final answer
    x = 93,575.45

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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.