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Finding the Fourth Proportional to 326,158.92, 489,233.52 and 113,082.12

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Solution

The fourth proportional to 326,158.92, 489,233.52 and 113,082.12 is: 169,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,158.92 : 489,233.52 = 113,082.12 : x
  2. Step 2: Convert to fraction form
    326,158.92/489,233.52 = 113,082.12/x
  3. Step 3: Cross multiply
    326,158.92x = 489,233.52 × 113,082.12
  4. Step 4: Simplify right side
    326,158.92x = 55,323,563,616.66
  5. Step 5: Solve for x
    x = 55,323,563,616.66/326,158.92
  6. Step 6: Final answer
    x = 169,621.49

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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.