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Finding the Fourth Proportional to 88,001, 121,391.70 and 52,155.80

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Solution

The fourth proportional to 88,001, 121,391.70 and 52,155.80 is: 71,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001 : 121,391.70 = 52,155.80 : x
  2. Step 2: Convert to fraction form
    88,001/121,391.70 = 52,155.80/x
  3. Step 3: Cross multiply
    88,001x = 121,391.70 × 52,155.80
  4. Step 4: Simplify right side
    88,001x = 6,331,281,226.86
  5. Step 5: Solve for x
    x = 6,331,281,226.86/88,001
  6. Step 6: Final answer
    x = 71,945.56

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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.