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Finding the Fourth Proportional to 63,302.32, 87,299.40 and 54,346.96

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Solution

The fourth proportional to 63,302.32, 87,299.40 and 54,346.96 is: 74,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.32 : 87,299.40 = 54,346.96 : x
  2. Step 2: Convert to fraction form
    63,302.32/87,299.40 = 54,346.96/x
  3. Step 3: Cross multiply
    63,302.32x = 87,299.40 × 54,346.96
  4. Step 4: Simplify right side
    63,302.32x = 4,744,456,999.82
  5. Step 5: Solve for x
    x = 4,744,456,999.82/63,302.32
  6. Step 6: Final answer
    x = 74,949.18

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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.