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Finding the Fourth Proportional to 91,697.58, 126,597.87 and 59,919.66

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Solution

The fourth proportional to 91,697.58, 126,597.87 and 59,919.66 is: 82,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,697.58 : 126,597.87 = 59,919.66 : x
  2. Step 2: Convert to fraction form
    91,697.58/126,597.87 = 59,919.66/x
  3. Step 3: Cross multiply
    91,697.58x = 126,597.87 × 59,919.66
  4. Step 4: Simplify right side
    91,697.58x = 7,585,701,327.12
  5. Step 5: Solve for x
    x = 7,585,701,327.12/91,697.58
  6. Step 6: Final answer
    x = 82,725.21

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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.