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Finding the Fourth Proportional to 157,999.82, 236,951.53 and 83,079.32

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Solution

The fourth proportional to 157,999.82, 236,951.53 and 83,079.32 is: 124,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999.82 : 236,951.53 = 83,079.32 : x
  2. Step 2: Convert to fraction form
    157,999.82/236,951.53 = 83,079.32/x
  3. Step 3: Cross multiply
    157,999.82x = 236,951.53 × 83,079.32
  4. Step 4: Simplify right side
    157,999.82x = 19,685,770,592.90
  5. Step 5: Solve for x
    x = 19,685,770,592.90/157,999.82
  6. Step 6: Final answer
    x = 124,593.63

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1.5x scale

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.