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Finding the Fourth Proportional to 261,873.71, 361,375.54 and 160,069.62

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Solution

The fourth proportional to 261,873.71, 361,375.54 and 160,069.62 is: 220,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,873.71 : 361,375.54 = 160,069.62 : x
  2. Step 2: Convert to fraction form
    261,873.71/361,375.54 = 160,069.62/x
  3. Step 3: Cross multiply
    261,873.71x = 361,375.54 × 160,069.62
  4. Step 4: Simplify right side
    261,873.71x = 57,845,244,564.75
  5. Step 5: Solve for x
    x = 57,845,244,564.75/261,873.71
  6. Step 6: Final answer
    x = 220,889.85

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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.