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Finding the Fourth Proportional to 157,253.72, 217,027.48 and 96,812.32

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Solution

The fourth proportional to 157,253.72, 217,027.48 and 96,812.32 is: 133,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,253.72 : 217,027.48 = 96,812.32 : x
  2. Step 2: Convert to fraction form
    157,253.72/217,027.48 = 96,812.32/x
  3. Step 3: Cross multiply
    157,253.72x = 217,027.48 × 96,812.32
  4. Step 4: Simplify right side
    157,253.72x = 21,010,933,842.55
  5. Step 5: Solve for x
    x = 21,010,933,842.55/157,253.72
  6. Step 6: Final answer
    x = 133,611.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.