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Finding the Fourth Proportional to 267,373.86, 401,041.08 and 98,815.56

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Solution

The fourth proportional to 267,373.86, 401,041.08 and 98,815.56 is: 148,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,373.86 : 401,041.08 = 98,815.56 : x
  2. Step 2: Convert to fraction form
    267,373.86/401,041.08 = 98,815.56/x
  3. Step 3: Cross multiply
    267,373.86x = 401,041.08 × 98,815.56
  4. Step 4: Simplify right side
    267,373.86x = 39,629,098,903.20
  5. Step 5: Solve for x
    x = 39,629,098,903.20/267,373.86
  6. Step 6: Final answer
    x = 148,216.06

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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.