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Finding the Fourth Proportional to 116,324.30, 160,526.52 and 65,337.80

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Solution

The fourth proportional to 116,324.30, 160,526.52 and 65,337.80 is: 90,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,324.30 : 160,526.52 = 65,337.80 : x
  2. Step 2: Convert to fraction form
    116,324.30/160,526.52 = 65,337.80/x
  3. Step 3: Cross multiply
    116,324.30x = 160,526.52 × 65,337.80
  4. Step 4: Simplify right side
    116,324.30x = 10,488,449,658.46
  5. Step 5: Solve for x
    x = 10,488,449,658.46/116,324.30
  6. Step 6: Final answer
    x = 90,165.59

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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.