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Finding the Fourth Proportional to 116,449.65, 160,717.50 and 65,466.59

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Solution

The fourth proportional to 116,449.65, 160,717.50 and 65,466.59 is: 90,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,449.65 : 160,717.50 = 65,466.59 : x
  2. Step 2: Convert to fraction form
    116,449.65/160,717.50 = 65,466.59/x
  3. Step 3: Cross multiply
    116,449.65x = 160,717.50 × 65,466.59
  4. Step 4: Simplify right side
    116,449.65x = 10,521,625,874.74
  5. Step 5: Solve for x
    x = 10,521,625,874.74/116,449.65
  6. Step 6: Final answer
    x = 90,353.43

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1.5x scale

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.