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Finding the Fourth Proportional to 157,546.20, 236,319.30 and 157,546.20

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Solution

The fourth proportional to 157,546.20, 236,319.30 and 157,546.20 is: 236,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,546.20 : 236,319.30 = 157,546.20 : x
  2. Step 2: Convert to fraction form
    157,546.20/236,319.30 = 157,546.20/x
  3. Step 3: Cross multiply
    157,546.20x = 236,319.30 × 157,546.20
  4. Step 4: Simplify right side
    157,546.20x = 37,231,207,701.66
  5. Step 5: Solve for x
    x = 37,231,207,701.66/157,546.20
  6. Step 6: Final answer
    x = 236,319.30

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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.