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Finding the Fourth Proportional to 73,200.77, 109,800.00 and 23,280.15

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Solution

The fourth proportional to 73,200.77, 109,800.00 and 23,280.15 is: 34,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.77 : 109,800.00 = 23,280.15 : x
  2. Step 2: Convert to fraction form
    73,200.77/109,800.00 = 23,280.15/x
  3. Step 3: Cross multiply
    73,200.77x = 109,800.00 × 23,280.15
  4. Step 4: Simplify right side
    73,200.77x = 2,556,159,956.47
  5. Step 5: Solve for x
    x = 2,556,159,956.47/73,200.77
  6. Step 6: Final answer
    x = 34,919.85

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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.