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Finding the Fourth Proportional to 250,338.69, 375,503.91 and 60,800.61

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Solution

The fourth proportional to 250,338.69, 375,503.91 and 60,800.61 is: 91,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,338.69 : 375,503.91 = 60,800.61 : x
  2. Step 2: Convert to fraction form
    250,338.69/375,503.91 = 60,800.61/x
  3. Step 3: Cross multiply
    250,338.69x = 375,503.91 × 60,800.61
  4. Step 4: Simplify right side
    250,338.69x = 22,830,866,785.39
  5. Step 5: Solve for x
    x = 22,830,866,785.39/250,338.69
  6. Step 6: Final answer
    x = 91,199.91

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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.