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Finding the Fourth Proportional to 88,875.80, 133,313.66 and 35,591.78

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Solution

The fourth proportional to 88,875.80, 133,313.66 and 35,591.78 is: 53,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,875.80 : 133,313.66 = 35,591.78 : x
  2. Step 2: Convert to fraction form
    88,875.80/133,313.66 = 35,591.78/x
  3. Step 3: Cross multiply
    88,875.80x = 133,313.66 × 35,591.78
  4. Step 4: Simplify right side
    88,875.80x = 4,744,870,457.71
  5. Step 5: Solve for x
    x = 4,744,870,457.71/88,875.80
  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.