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Finding the Fourth Proportional to 157,337.70, 235,919.06 and 52,099.26

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Solution

The fourth proportional to 157,337.70, 235,919.06 and 52,099.26 is: 78,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,337.70 : 235,919.06 = 52,099.26 : x
  2. Step 2: Convert to fraction form
    157,337.70/235,919.06 = 52,099.26/x
  3. Step 3: Cross multiply
    157,337.70x = 235,919.06 × 52,099.26
  4. Step 4: Simplify right side
    157,337.70x = 12,291,208,445.90
  5. Step 5: Solve for x
    x = 12,291,208,445.90/157,337.70
  6. Step 6: Final answer
    x = 78,119.92

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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.