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Finding the Fourth Proportional to 275,443.40, 413,165.10 and 88,473.80

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Solution

The fourth proportional to 275,443.40, 413,165.10 and 88,473.80 is: 132,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,443.40 : 413,165.10 = 88,473.80 : x
  2. Step 2: Convert to fraction form
    275,443.40/413,165.10 = 88,473.80/x
  3. Step 3: Cross multiply
    275,443.40x = 413,165.10 × 88,473.80
  4. Step 4: Simplify right side
    275,443.40x = 36,554,286,424.38
  5. Step 5: Solve for x
    x = 36,554,286,424.38/275,443.40
  6. Step 6: Final answer
    x = 132,710.70

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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.