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Finding the Fourth Proportional to 250,422.71, 375,651.23 and 100,663.11

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Solution

The fourth proportional to 250,422.71, 375,651.23 and 100,663.11 is: 151,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,422.71 : 375,651.23 = 100,663.11 : x
  2. Step 2: Convert to fraction form
    250,422.71/375,651.23 = 100,663.11/x
  3. Step 3: Cross multiply
    250,422.71x = 375,651.23 × 100,663.11
  4. Step 4: Simplify right side
    250,422.71x = 37,814,220,583.81
  5. Step 5: Solve for x
    x = 37,814,220,583.81/250,422.71
  6. Step 6: Final answer
    x = 151,001.57

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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.