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Finding the Fourth Proportional to 185,907.92, 279,873.44 and 169,374.20

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Solution

The fourth proportional to 185,907.92, 279,873.44 and 169,374.20 is: 254,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,907.92 : 279,873.44 = 169,374.20 : x
  2. Step 2: Convert to fraction form
    185,907.92/279,873.44 = 169,374.20/x
  3. Step 3: Cross multiply
    185,907.92x = 279,873.44 × 169,374.20
  4. Step 4: Simplify right side
    185,907.92x = 47,403,340,001.25
  5. Step 5: Solve for x
    x = 47,403,340,001.25/185,907.92
  6. Step 6: Final answer
    x = 254,982.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.