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Finding the Fourth Proportional to 63,852.72, 88,127.28 and 48,716.88

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Solution

The fourth proportional to 63,852.72, 88,127.28 and 48,716.88 is: 67,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,852.72 : 88,127.28 = 48,716.88 : x
  2. Step 2: Convert to fraction form
    63,852.72/88,127.28 = 48,716.88/x
  3. Step 3: Cross multiply
    63,852.72x = 88,127.28 × 48,716.88
  4. Step 4: Simplify right side
    63,852.72x = 4,293,286,124.49
  5. Step 5: Solve for x
    x = 4,293,286,124.49/63,852.72
  6. Step 6: Final answer
    x = 67,237.33

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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.