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Finding the Fourth Proportional to 67,416.52, 101,124.80 and 18,168.52

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Solution

The fourth proportional to 67,416.52, 101,124.80 and 18,168.52 is: 27,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.52 : 101,124.80 = 18,168.52 : x
  2. Step 2: Convert to fraction form
    67,416.52/101,124.80 = 18,168.52/x
  3. Step 3: Cross multiply
    67,416.52x = 101,124.80 × 18,168.52
  4. Step 4: Simplify right side
    67,416.52x = 1,837,287,951.30
  5. Step 5: Solve for x
    x = 1,837,287,951.30/67,416.52
  6. Step 6: Final answer
    x = 27,252.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.