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Finding the Fourth Proportional to 157,250.92, 217,005.04 and 85,630.92

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Solution

The fourth proportional to 157,250.92, 217,005.04 and 85,630.92 is: 118,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,250.92 : 217,005.04 = 85,630.92 : x
  2. Step 2: Convert to fraction form
    157,250.92/217,005.04 = 85,630.92/x
  3. Step 3: Cross multiply
    157,250.92x = 217,005.04 × 85,630.92
  4. Step 4: Simplify right side
    157,250.92x = 18,582,341,219.84
  5. Step 5: Solve for x
    x = 18,582,341,219.84/157,250.92
  6. Step 6: Final answer
    x = 118,170.00

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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.