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Finding the Fourth Proportional to 157,165.10, 235,747.65 and 63,670.85

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Solution

The fourth proportional to 157,165.10, 235,747.65 and 63,670.85 is: 95,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,165.10 : 235,747.65 = 63,670.85 : x
  2. Step 2: Convert to fraction form
    157,165.10/235,747.65 = 63,670.85/x
  3. Step 3: Cross multiply
    157,165.10x = 235,747.65 × 63,670.85
  4. Step 4: Simplify right side
    157,165.10x = 15,010,253,261.00
  5. Step 5: Solve for x
    x = 15,010,253,261.00/157,165.10
  6. Step 6: Final answer
    x = 95,506.28

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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.