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Finding the Fourth Proportional to 103,397.55, 154,776.49 and 88,266.24

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Solution

The fourth proportional to 103,397.55, 154,776.49 and 88,266.24 is: 132,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397.55 : 154,776.49 = 88,266.24 : x
  2. Step 2: Convert to fraction form
    103,397.55/154,776.49 = 88,266.24/x
  3. Step 3: Cross multiply
    103,397.55x = 154,776.49 × 88,266.24
  4. Step 4: Simplify right side
    103,397.55x = 13,661,538,592.03
  5. Step 5: Solve for x
    x = 13,661,538,592.03/103,397.55
  6. Step 6: Final answer
    x = 132,126.33

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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.