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Finding the Fourth Proportional to 250,999.38, 375,557.99 and 149,425.90

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Solution

The fourth proportional to 250,999.38, 375,557.99 and 149,425.90 is: 223,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,999.38 : 375,557.99 = 149,425.90 : x
  2. Step 2: Convert to fraction form
    250,999.38/375,557.99 = 149,425.90/x
  3. Step 3: Cross multiply
    250,999.38x = 375,557.99 × 149,425.90
  4. Step 4: Simplify right side
    250,999.38x = 56,118,088,971.92
  5. Step 5: Solve for x
    x = 56,118,088,971.92/250,999.38
  6. Step 6: Final answer
    x = 223,578.60

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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.