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Finding the Fourth Proportional to 73,703.55, 110,391.30 and 60,581.55

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Solution

The fourth proportional to 73,703.55, 110,391.30 and 60,581.55 is: 90,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.55 : 110,391.30 = 60,581.55 : x
  2. Step 2: Convert to fraction form
    73,703.55/110,391.30 = 60,581.55/x
  3. Step 3: Cross multiply
    73,703.55x = 110,391.30 × 60,581.55
  4. Step 4: Simplify right side
    73,703.55x = 6,687,676,060.52
  5. Step 5: Solve for x
    x = 6,687,676,060.52/73,703.55
  6. Step 6: Final answer
    x = 90,737.50

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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.