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Finding the Fourth Proportional to 88,875.76, 133,313.77 and 35,591.73

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Solution

The fourth proportional to 88,875.76, 133,313.77 and 35,591.73 is: 53,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,875.76 : 133,313.77 = 35,591.73 : x
  2. Step 2: Convert to fraction form
    88,875.76/133,313.77 = 35,591.73/x
  3. Step 3: Cross multiply
    88,875.76x = 133,313.77 × 35,591.73
  4. Step 4: Simplify right side
    88,875.76x = 4,744,867,707.12
  5. Step 5: Solve for x
    x = 4,744,867,707.12/88,875.76
  6. Step 6: Final answer
    x = 53,387.65

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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.