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Finding the Fourth Proportional to 228,541,818.80, 342,812,728.20 and 159,667,065.20

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Solution

The fourth proportional to 228,541,818.80, 342,812,728.20 and 159,667,065.20 is: 239,500,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,541,818.80 : 342,812,728.20 = 159,667,065.20 : x
  2. Step 2: Convert to fraction form
    228,541,818.80/342,812,728.20 = 159,667,065.20/x
  3. Step 3: Cross multiply
    228,541,818.80x = 342,812,728.20 × 159,667,065.20
  4. Step 4: Simplify right side
    228,541,818.80x = 54,735,902,224,899,272
  5. Step 5: Solve for x
    x = 54,735,902,224,899,272/228,541,818.80
  6. Step 6: Final answer
    x = 239,500,597.80

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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.