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Finding the Fourth Proportional to 116,744.87, 175,009.61 and 45,715.88

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Solution

The fourth proportional to 116,744.87, 175,009.61 and 45,715.88 is: 68,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,744.87 : 175,009.61 = 45,715.88 : x
  2. Step 2: Convert to fraction form
    116,744.87/175,009.61 = 45,715.88/x
  3. Step 3: Cross multiply
    116,744.87x = 175,009.61 × 45,715.88
  4. Step 4: Simplify right side
    116,744.87x = 8,000,718,881.42
  5. Step 5: Solve for x
    x = 8,000,718,881.42/116,744.87
  6. Step 6: Final answer
    x = 68,531.65

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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.