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Finding the Fourth Proportional to 170,998.92, 256,490.46 and 114,862.68

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Solution

The fourth proportional to 170,998.92, 256,490.46 and 114,862.68 is: 172,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,998.92 : 256,490.46 = 114,862.68 : x
  2. Step 2: Convert to fraction form
    170,998.92/256,490.46 = 114,862.68/x
  3. Step 3: Cross multiply
    170,998.92x = 256,490.46 × 114,862.68
  4. Step 4: Simplify right side
    170,998.92x = 29,461,181,630.03
  5. Step 5: Solve for x
    x = 29,461,181,630.03/170,998.92
  6. Step 6: Final answer
    x = 172,288.70

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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.