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Finding the Fourth Proportional to 215,375.12, 297,224.76 and 118,586.28

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Solution

The fourth proportional to 215,375.12, 297,224.76 and 118,586.28 is: 163,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,375.12 : 297,224.76 = 118,586.28 : x
  2. Step 2: Convert to fraction form
    215,375.12/297,224.76 = 118,586.28/x
  3. Step 3: Cross multiply
    215,375.12x = 297,224.76 × 118,586.28
  4. Step 4: Simplify right side
    215,375.12x = 35,246,778,612.29
  5. Step 5: Solve for x
    x = 35,246,778,612.29/215,375.12
  6. Step 6: Final answer
    x = 163,652.97

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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.