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Finding the Fourth Proportional to 159,225.66, 238,722.66 and 80,395.92

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Solution

The fourth proportional to 159,225.66, 238,722.66 and 80,395.92 is: 120,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,225.66 : 238,722.66 = 80,395.92 : x
  2. Step 2: Convert to fraction form
    159,225.66/238,722.66 = 80,395.92/x
  3. Step 3: Cross multiply
    159,225.66x = 238,722.66 × 80,395.92
  4. Step 4: Simplify right side
    159,225.66x = 19,192,327,875.55
  5. Step 5: Solve for x
    x = 19,192,327,875.55/159,225.66
  6. Step 6: Final answer
    x = 120,535.40

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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.