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Finding the Fourth Proportional to 104,989.97, 144,886.85 and 57,244.11

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Solution

The fourth proportional to 104,989.97, 144,886.85 and 57,244.11 is: 78,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.97 : 144,886.85 = 57,244.11 : x
  2. Step 2: Convert to fraction form
    104,989.97/144,886.85 = 57,244.11/x
  3. Step 3: Cross multiply
    104,989.97x = 144,886.85 × 57,244.11
  4. Step 4: Simplify right side
    104,989.97x = 8,293,918,778.95
  5. Step 5: Solve for x
    x = 8,293,918,778.95/104,989.97
  6. Step 6: Final answer
    x = 78,997.25

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1.5x scale

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.