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Finding the Fourth Proportional to 259,251.52, 388,818.87 and 93,039.52

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Solution

The fourth proportional to 259,251.52, 388,818.87 and 93,039.52 is: 139,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,251.52 : 388,818.87 = 93,039.52 : x
  2. Step 2: Convert to fraction form
    259,251.52/388,818.87 = 93,039.52/x
  3. Step 3: Cross multiply
    259,251.52x = 388,818.87 × 93,039.52
  4. Step 4: Simplify right side
    259,251.52x = 36,175,521,031.74
  5. Step 5: Solve for x
    x = 36,175,521,031.74/259,251.52
  6. Step 6: Final answer
    x = 139,538.32

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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.