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Finding the Fourth Proportional to 88,487.88, 122,113.44 and 52,679.13

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Solution

The fourth proportional to 88,487.88, 122,113.44 and 52,679.13 is: 72,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,487.88 : 122,113.44 = 52,679.13 : x
  2. Step 2: Convert to fraction form
    88,487.88/122,113.44 = 52,679.13/x
  3. Step 3: Cross multiply
    88,487.88x = 122,113.44 × 52,679.13
  4. Step 4: Simplify right side
    88,487.88x = 6,432,829,780.51
  5. Step 5: Solve for x
    x = 6,432,829,780.51/88,487.88
  6. Step 6: Final answer
    x = 72,697.30

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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.