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Finding the Fourth Proportional to 67,520.55, 101,293.13 and 23,151.78

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Solution

The fourth proportional to 67,520.55, 101,293.13 and 23,151.78 is: 34,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.55 : 101,293.13 = 23,151.78 : x
  2. Step 2: Convert to fraction form
    67,520.55/101,293.13 = 23,151.78/x
  3. Step 3: Cross multiply
    67,520.55x = 101,293.13 × 23,151.78
  4. Step 4: Simplify right side
    67,520.55x = 2,345,116,145.51
  5. Step 5: Solve for x
    x = 2,345,116,145.51/67,520.55
  6. Step 6: Final answer
    x = 34,731.89

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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.