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Finding the Fourth Proportional to 261,027.72, 360,186.17 and 159,016.16

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Solution

The fourth proportional to 261,027.72, 360,186.17 and 159,016.16 is: 219,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,027.72 : 360,186.17 = 159,016.16 : x
  2. Step 2: Convert to fraction form
    261,027.72/360,186.17 = 159,016.16/x
  3. Step 3: Cross multiply
    261,027.72x = 360,186.17 × 159,016.16
  4. Step 4: Simplify right side
    261,027.72x = 57,275,421,743.89
  5. Step 5: Solve for x
    x = 57,275,421,743.89/261,027.72
  6. Step 6: Final answer
    x = 219,422.76

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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.