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Finding the Fourth Proportional to 250,645.29, 375,983.05 and 100,884.93

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Solution

The fourth proportional to 250,645.29, 375,983.05 and 100,884.93 is: 151,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,645.29 : 375,983.05 = 100,884.93 : x
  2. Step 2: Convert to fraction form
    250,645.29/375,983.05 = 100,884.93/x
  3. Step 3: Cross multiply
    250,645.29x = 375,983.05 × 100,884.93
  4. Step 4: Simplify right side
    250,645.29x = 37,931,023,680.44
  5. Step 5: Solve for x
    x = 37,931,023,680.44/250,645.29
  6. Step 6: Final answer
    x = 151,333.48

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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.