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Finding the Fourth Proportional to 174,098.45, 238,691.21 and 170,949.17

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Solution

The fourth proportional to 174,098.45, 238,691.21 and 170,949.17 is: 234,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,098.45 : 238,691.21 = 170,949.17 : x
  2. Step 2: Convert to fraction form
    174,098.45/238,691.21 = 170,949.17/x
  3. Step 3: Cross multiply
    174,098.45x = 238,691.21 × 170,949.17
  4. Step 4: Simplify right side
    174,098.45x = 40,804,063,977.78
  5. Step 5: Solve for x
    x = 40,804,063,977.78/174,098.45
  6. Step 6: Final answer
    x = 234,373.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.