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Finding the Fourth Proportional to 175,879.22, 263,815.18 and 42,760.17

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Solution

The fourth proportional to 175,879.22, 263,815.18 and 42,760.17 is: 64,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,879.22 : 263,815.18 = 42,760.17 : x
  2. Step 2: Convert to fraction form
    175,879.22/263,815.18 = 42,760.17/x
  3. Step 3: Cross multiply
    175,879.22x = 263,815.18 × 42,760.17
  4. Step 4: Simplify right side
    175,879.22x = 11,280,781,838.48
  5. Step 5: Solve for x
    x = 11,280,781,838.48/175,879.22
  6. Step 6: Final answer
    x = 64,139.37

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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.