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Finding the Fourth Proportional to 160,411.28, 241,053.11 and 85,584.29

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Solution

The fourth proportional to 160,411.28, 241,053.11 and 85,584.29 is: 128,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,411.28 : 241,053.11 = 85,584.29 : x
  2. Step 2: Convert to fraction form
    160,411.28/241,053.11 = 85,584.29/x
  3. Step 3: Cross multiply
    160,411.28x = 241,053.11 × 85,584.29
  4. Step 4: Simplify right side
    160,411.28x = 20,630,358,843.72
  5. Step 5: Solve for x
    x = 20,630,358,843.72/160,411.28
  6. Step 6: Final answer
    x = 128,609.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.