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Finding the Fourth Proportional to 157,336.70, 235,917.56 and 52,098.26

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Solution

The fourth proportional to 157,336.70, 235,917.56 and 52,098.26 is: 78,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,336.70 : 235,917.56 = 52,098.26 : x
  2. Step 2: Convert to fraction form
    157,336.70/235,917.56 = 52,098.26/x
  3. Step 3: Cross multiply
    157,336.70x = 235,917.56 × 52,098.26
  4. Step 4: Simplify right side
    157,336.70x = 12,290,894,379.45
  5. Step 5: Solve for x
    x = 12,290,894,379.45/157,336.70
  6. Step 6: Final answer
    x = 78,118.42

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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.