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Finding the Fourth Proportional to 160,940.87, 241,411.30 and 85,833.47

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Solution

The fourth proportional to 160,940.87, 241,411.30 and 85,833.47 is: 128,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,940.87 : 241,411.30 = 85,833.47 : x
  2. Step 2: Convert to fraction form
    160,940.87/241,411.30 = 85,833.47/x
  3. Step 3: Cross multiply
    160,940.87x = 241,411.30 × 85,833.47
  4. Step 4: Simplify right side
    160,940.87x = 20,721,169,147.04
  5. Step 5: Solve for x
    x = 20,721,169,147.04/160,940.87
  6. Step 6: Final answer
    x = 128,750.20

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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.