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Finding the Fourth Proportional to 88,581, 122,241.78 and 48,837

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Solution

The fourth proportional to 88,581, 122,241.78 and 48,837 is: 67,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581 : 122,241.78 = 48,837 : x
  2. Step 2: Convert to fraction form
    88,581/122,241.78 = 48,837/x
  3. Step 3: Cross multiply
    88,581x = 122,241.78 × 48,837
  4. Step 4: Simplify right side
    88,581x = 5,969,921,809.86
  5. Step 5: Solve for x
    x = 5,969,921,809.86/88,581
  6. Step 6: Final answer
    x = 67,395.06

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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.