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Finding the Fourth Proportional to 157,882.72, 236,824.08 and 47,074.72

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Solution

The fourth proportional to 157,882.72, 236,824.08 and 47,074.72 is: 70,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882.72 : 236,824.08 = 47,074.72 : x
  2. Step 2: Convert to fraction form
    157,882.72/236,824.08 = 47,074.72/x
  3. Step 3: Cross multiply
    157,882.72x = 236,824.08 × 47,074.72
  4. Step 4: Simplify right side
    157,882.72x = 11,148,427,255.26
  5. Step 5: Solve for x
    x = 11,148,427,255.26/157,882.72
  6. Step 6: Final answer
    x = 70,612.08

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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.