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Finding the Fourth Proportional to 239,937.46, 359,785.40 and 79,956.72

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Solution

The fourth proportional to 239,937.46, 359,785.40 and 79,956.72 is: 119,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,937.46 : 359,785.40 = 79,956.72 : x
  2. Step 2: Convert to fraction form
    239,937.46/359,785.40 = 79,956.72/x
  3. Step 3: Cross multiply
    239,937.46x = 359,785.40 × 79,956.72
  4. Step 4: Simplify right side
    239,937.46x = 28,767,260,088.10
  5. Step 5: Solve for x
    x = 28,767,260,088.10/239,937.46
  6. Step 6: Final answer
    x = 119,894.83

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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.