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Finding the Fourth Proportional to 116,746.87, 175,012.61 and 45,717.88

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Solution

The fourth proportional to 116,746.87, 175,012.61 and 45,717.88 is: 68,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,746.87 : 175,012.61 = 45,717.88 : x
  2. Step 2: Convert to fraction form
    116,746.87/175,012.61 = 45,717.88/x
  3. Step 3: Cross multiply
    116,746.87x = 175,012.61 × 45,717.88
  4. Step 4: Simplify right side
    116,746.87x = 8,001,205,502.47
  5. Step 5: Solve for x
    x = 8,001,205,502.47/116,746.87
  6. Step 6: Final answer
    x = 68,534.65

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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.