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Finding the Fourth Proportional to 145,057.96, 217,597.12 and 60,733.02

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Solution

The fourth proportional to 145,057.96, 217,597.12 and 60,733.02 is: 91,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.96 : 217,597.12 = 60,733.02 : x
  2. Step 2: Convert to fraction form
    145,057.96/217,597.12 = 60,733.02/x
  3. Step 3: Cross multiply
    145,057.96x = 217,597.12 × 60,733.02
  4. Step 4: Simplify right side
    145,057.96x = 13,215,330,240.90
  5. Step 5: Solve for x
    x = 13,215,330,240.90/145,057.96
  6. Step 6: Final answer
    x = 91,103.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.