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Finding the Fourth Proportional to 70,758.93, 97,671.30 and 43,917.15

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Solution

The fourth proportional to 70,758.93, 97,671.30 and 43,917.15 is: 60,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758.93 : 97,671.30 = 43,917.15 : x
  2. Step 2: Convert to fraction form
    70,758.93/97,671.30 = 43,917.15/x
  3. Step 3: Cross multiply
    70,758.93x = 97,671.30 × 43,917.15
  4. Step 4: Simplify right side
    70,758.93x = 4,289,445,132.80
  5. Step 5: Solve for x
    x = 4,289,445,132.80/70,758.93
  6. Step 6: Final answer
    x = 60,620.55

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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.