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Finding the Fourth Proportional to 235,479.72, 353,227.68 and 93,351.87

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Solution

The fourth proportional to 235,479.72, 353,227.68 and 93,351.87 is: 140,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,479.72 : 353,227.68 = 93,351.87 : x
  2. Step 2: Convert to fraction form
    235,479.72/353,227.68 = 93,351.87/x
  3. Step 3: Cross multiply
    235,479.72x = 353,227.68 × 93,351.87
  4. Step 4: Simplify right side
    235,479.72x = 32,974,464,463.76
  5. Step 5: Solve for x
    x = 32,974,464,463.76/235,479.72
  6. Step 6: Final answer
    x = 140,031.02

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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.