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Finding the Fourth Proportional to 261,522.59, 360,889.34 and 159,531.84

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Solution

The fourth proportional to 261,522.59, 360,889.34 and 159,531.84 is: 220,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,522.59 : 360,889.34 = 159,531.84 : x
  2. Step 2: Convert to fraction form
    261,522.59/360,889.34 = 159,531.84/x
  3. Step 3: Cross multiply
    261,522.59x = 360,889.34 × 159,531.84
  4. Step 4: Simplify right side
    261,522.59x = 57,573,339,648.93
  5. Step 5: Solve for x
    x = 57,573,339,648.93/261,522.59
  6. Step 6: Final answer
    x = 220,146.72

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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.