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Finding the Fourth Proportional to 124,000.28, 171,113.12 and 67,411.16

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Solution

The fourth proportional to 124,000.28, 171,113.12 and 67,411.16 is: 93,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.28 : 171,113.12 = 67,411.16 : x
  2. Step 2: Convert to fraction form
    124,000.28/171,113.12 = 67,411.16/x
  3. Step 3: Cross multiply
    124,000.28x = 171,113.12 × 67,411.16
  4. Step 4: Simplify right side
    124,000.28x = 11,534,933,910.42
  5. Step 5: Solve for x
    x = 11,534,933,910.42/124,000.28
  6. Step 6: Final answer
    x = 93,023.45

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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.