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Finding the Fourth Proportional to 174,861.52, 262,353.72 and 75,017.68

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Solution

The fourth proportional to 174,861.52, 262,353.72 and 75,017.68 is: 112,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,861.52 : 262,353.72 = 75,017.68 : x
  2. Step 2: Convert to fraction form
    174,861.52/262,353.72 = 75,017.68/x
  3. Step 3: Cross multiply
    174,861.52x = 262,353.72 × 75,017.68
  4. Step 4: Simplify right side
    174,861.52x = 19,681,167,413.77
  5. Step 5: Solve for x
    x = 19,681,167,413.77/174,861.52
  6. Step 6: Final answer
    x = 112,552.88

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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.