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Finding the Fourth Proportional to 124,572.52, 171,907.68 and 67,984.30

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Solution

The fourth proportional to 124,572.52, 171,907.68 and 67,984.30 is: 93,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,572.52 : 171,907.68 = 67,984.30 : x
  2. Step 2: Convert to fraction form
    124,572.52/171,907.68 = 67,984.30/x
  3. Step 3: Cross multiply
    124,572.52x = 171,907.68 × 67,984.30
  4. Step 4: Simplify right side
    124,572.52x = 11,687,023,289.42
  5. Step 5: Solve for x
    x = 11,687,023,289.42/124,572.52
  6. Step 6: Final answer
    x = 93,817.03

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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.