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Finding the Fourth Proportional to 124,297.92, 171,530.72 and 67,709.12

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Solution

The fourth proportional to 124,297.92, 171,530.72 and 67,709.12 is: 93,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,297.92 : 171,530.72 = 67,709.12 : x
  2. Step 2: Convert to fraction form
    124,297.92/171,530.72 = 67,709.12/x
  3. Step 3: Cross multiply
    124,297.92x = 171,530.72 × 67,709.12
  4. Step 4: Simplify right side
    124,297.92x = 11,614,194,104.17
  5. Step 5: Solve for x
    x = 11,614,194,104.17/124,297.92
  6. Step 6: Final answer
    x = 93,438.36

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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.