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Finding the Fourth Proportional to 113,295.98, 169,869 and 63,381.32

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Solution

The fourth proportional to 113,295.98, 169,869 and 63,381.32 is: 95,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295.98 : 169,869 = 63,381.32 : x
  2. Step 2: Convert to fraction form
    113,295.98/169,869 = 63,381.32/x
  3. Step 3: Cross multiply
    113,295.98x = 169,869 × 63,381.32
  4. Step 4: Simplify right side
    113,295.98x = 10,766,521,447.08
  5. Step 5: Solve for x
    x = 10,766,521,447.08/113,295.98
  6. Step 6: Final answer
    x = 95,030.04

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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.