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Finding the Fourth Proportional to 215,407.34, 297,236.33 and 124,750.71

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Solution

The fourth proportional to 215,407.34, 297,236.33 and 124,750.71 is: 172,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,407.34 : 297,236.33 = 124,750.71 : x
  2. Step 2: Convert to fraction form
    215,407.34/297,236.33 = 124,750.71/x
  3. Step 3: Cross multiply
    215,407.34x = 297,236.33 × 124,750.71
  4. Step 4: Simplify right side
    215,407.34x = 37,080,442,581.54
  5. Step 5: Solve for x
    x = 37,080,442,581.54/215,407.34
  6. Step 6: Final answer
    x = 172,141.04

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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.