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Finding the Fourth Proportional to 124,175.76, 171,362.52 and 67,587.52

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Solution

The fourth proportional to 124,175.76, 171,362.52 and 67,587.52 is: 93,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,175.76 : 171,362.52 = 67,587.52 : x
  2. Step 2: Convert to fraction form
    124,175.76/171,362.52 = 67,587.52/x
  3. Step 3: Cross multiply
    124,175.76x = 171,362.52 × 67,587.52
  4. Step 4: Simplify right side
    124,175.76x = 11,581,967,747.75
  5. Step 5: Solve for x
    x = 11,581,967,747.75/124,175.76
  6. Step 6: Final answer
    x = 93,270.76

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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.