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Finding the Fourth Proportional to 88,649.88, 122,337.12 and 48,364.48

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Solution

The fourth proportional to 88,649.88, 122,337.12 and 48,364.48 is: 66,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.88 : 122,337.12 = 48,364.48 : x
  2. Step 2: Convert to fraction form
    88,649.88/122,337.12 = 48,364.48/x
  3. Step 3: Cross multiply
    88,649.88x = 122,337.12 × 48,364.48
  4. Step 4: Simplify right side
    88,649.88x = 5,916,771,193.50
  5. Step 5: Solve for x
    x = 5,916,771,193.50/88,649.88
  6. Step 6: Final answer
    x = 66,743.14

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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.