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Finding the Fourth Proportional to 111,301.17, 153,599.54 and 63,553.65

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Solution

The fourth proportional to 111,301.17, 153,599.54 and 63,553.65 is: 87,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.17 : 153,599.54 = 63,553.65 : x
  2. Step 2: Convert to fraction form
    111,301.17/153,599.54 = 63,553.65/x
  3. Step 3: Cross multiply
    111,301.17x = 153,599.54 × 63,553.65
  4. Step 4: Simplify right side
    111,301.17x = 9,761,811,087.55
  5. Step 5: Solve for x
    x = 9,761,811,087.55/111,301.17
  6. Step 6: Final answer
    x = 87,706.28

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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.