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Finding the Fourth Proportional to 96,306.40, 144,456.90 and 43,715.80

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Solution

The fourth proportional to 96,306.40, 144,456.90 and 43,715.80 is: 65,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,306.40 : 144,456.90 = 43,715.80 : x
  2. Step 2: Convert to fraction form
    96,306.40/144,456.90 = 43,715.80/x
  3. Step 3: Cross multiply
    96,306.40x = 144,456.90 × 43,715.80
  4. Step 4: Simplify right side
    96,306.40x = 6,315,048,949.02
  5. Step 5: Solve for x
    x = 6,315,048,949.02/96,306.40
  6. Step 6: Final answer
    x = 65,572.47

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1.5x scale

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.