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Finding the Fourth Proportional to 113,252.48, 169,701.60 and 71,612

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Solution

The fourth proportional to 113,252.48, 169,701.60 and 71,612 is: 107,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,252.48 : 169,701.60 = 71,612 : x
  2. Step 2: Convert to fraction form
    113,252.48/169,701.60 = 71,612/x
  3. Step 3: Cross multiply
    113,252.48x = 169,701.60 × 71,612
  4. Step 4: Simplify right side
    113,252.48x = 12,152,670,979.20
  5. Step 5: Solve for x
    x = 12,152,670,979.20/113,252.48
  6. Step 6: Final answer
    x = 107,306.00

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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.