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Finding the Fourth Proportional to 88,713, 122,444.73 and 58,503.78

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Solution

The fourth proportional to 88,713, 122,444.73 and 58,503.78 is: 80,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,713 : 122,444.73 = 58,503.78 : x
  2. Step 2: Convert to fraction form
    88,713/122,444.73 = 58,503.78/x
  3. Step 3: Cross multiply
    88,713x = 122,444.73 × 58,503.78
  4. Step 4: Simplify right side
    88,713x = 7,163,479,546.08
  5. Step 5: Solve for x
    x = 7,163,479,546.08/88,713
  6. Step 6: Final answer
    x = 80,748.93

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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.