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Finding the Fourth Proportional to 73,659.52, 101,650.10 and 40,125.52

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Solution

The fourth proportional to 73,659.52, 101,650.10 and 40,125.52 is: 55,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,659.52 : 101,650.10 = 40,125.52 : x
  2. Step 2: Convert to fraction form
    73,659.52/101,650.10 = 40,125.52/x
  3. Step 3: Cross multiply
    73,659.52x = 101,650.10 × 40,125.52
  4. Step 4: Simplify right side
    73,659.52x = 4,078,763,120.55
  5. Step 5: Solve for x
    x = 4,078,763,120.55/73,659.52
  6. Step 6: Final answer
    x = 55,373.20

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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.