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Finding the Fourth Proportional to 88,649.70, 122,336.31 and 48,363.17

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Solution

The fourth proportional to 88,649.70, 122,336.31 and 48,363.17 is: 66,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.70 : 122,336.31 = 48,363.17 : x
  2. Step 2: Convert to fraction form
    88,649.70/122,336.31 = 48,363.17/x
  3. Step 3: Cross multiply
    88,649.70x = 122,336.31 × 48,363.17
  4. Step 4: Simplify right side
    88,649.70x = 5,916,572,015.52
  5. Step 5: Solve for x
    x = 5,916,572,015.52/88,649.70
  6. Step 6: Final answer
    x = 66,741.03

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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.