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Finding the Fourth Proportional to 159,478.20, 238,922.10 and 92,950.20

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Solution

The fourth proportional to 159,478.20, 238,922.10 and 92,950.20 is: 139,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,478.20 : 238,922.10 = 92,950.20 : x
  2. Step 2: Convert to fraction form
    159,478.20/238,922.10 = 92,950.20/x
  3. Step 3: Cross multiply
    159,478.20x = 238,922.10 × 92,950.20
  4. Step 4: Simplify right side
    159,478.20x = 22,207,856,979.42
  5. Step 5: Solve for x
    x = 22,207,856,979.42/159,478.20
  6. Step 6: Final answer
    x = 139,253.25

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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.