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Finding the Fourth Proportional to 115,337.56, 173,103.56 and 45,266.08

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Solution

The fourth proportional to 115,337.56, 173,103.56 and 45,266.08 is: 67,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,337.56 : 173,103.56 = 45,266.08 : x
  2. Step 2: Convert to fraction form
    115,337.56/173,103.56 = 45,266.08/x
  3. Step 3: Cross multiply
    115,337.56x = 173,103.56 × 45,266.08
  4. Step 4: Simplify right side
    115,337.56x = 7,835,719,595.24
  5. Step 5: Solve for x
    x = 7,835,719,595.24/115,337.56
  6. Step 6: Final answer
    x = 67,937.28

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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.