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Finding the Fourth Proportional to 116,127.44, 160,257.57 and 65,151.44

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Solution

The fourth proportional to 116,127.44, 160,257.57 and 65,151.44 is: 89,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,127.44 : 160,257.57 = 65,151.44 : x
  2. Step 2: Convert to fraction form
    116,127.44/160,257.57 = 65,151.44/x
  3. Step 3: Cross multiply
    116,127.44x = 160,257.57 × 65,151.44
  4. Step 4: Simplify right side
    116,127.44x = 10,441,011,456.40
  5. Step 5: Solve for x
    x = 10,441,011,456.40/116,127.44
  6. Step 6: Final answer
    x = 89,909.94

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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.