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Finding the Fourth Proportional to 228,351.71, 342,560.34 and 70,592.46

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Solution

The fourth proportional to 228,351.71, 342,560.34 and 70,592.46 is: 105,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,351.71 : 342,560.34 = 70,592.46 : x
  2. Step 2: Convert to fraction form
    228,351.71/342,560.34 = 70,592.46/x
  3. Step 3: Cross multiply
    228,351.71x = 342,560.34 × 70,592.46
  4. Step 4: Simplify right side
    228,351.71x = 24,182,177,099.04
  5. Step 5: Solve for x
    x = 24,182,177,099.04/228,351.71
  6. Step 6: Final answer
    x = 105,898.82

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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.