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Finding the Fourth Proportional to 250,644.54, 375,981.92 and 100,884.18

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Solution

The fourth proportional to 250,644.54, 375,981.92 and 100,884.18 is: 151,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,644.54 : 375,981.92 = 100,884.18 : x
  2. Step 2: Convert to fraction form
    250,644.54/375,981.92 = 100,884.18/x
  3. Step 3: Cross multiply
    250,644.54x = 375,981.92 × 100,884.18
  4. Step 4: Simplify right side
    250,644.54x = 37,930,626,066.33
  5. Step 5: Solve for x
    x = 37,930,626,066.33/250,644.54
  6. Step 6: Final answer
    x = 151,332.35

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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.