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Finding the Fourth Proportional to 73,482.77, 110,269.28 and 58,400.67

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Solution

The fourth proportional to 73,482.77, 110,269.28 and 58,400.67 is: 87,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,482.77 : 110,269.28 = 58,400.67 : x
  2. Step 2: Convert to fraction form
    73,482.77/110,269.28 = 58,400.67/x
  3. Step 3: Cross multiply
    73,482.77x = 110,269.28 × 58,400.67
  4. Step 4: Simplify right side
    73,482.77x = 6,439,800,391.93
  5. Step 5: Solve for x
    x = 6,439,800,391.93/73,482.77
  6. Step 6: Final answer
    x = 87,636.87

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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.