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Finding the Fourth Proportional to 251,999.26, 377,808.77 and 152,135.71

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Solution

The fourth proportional to 251,999.26, 377,808.77 and 152,135.71 is: 228,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,999.26 : 377,808.77 = 152,135.71 : x
  2. Step 2: Convert to fraction form
    251,999.26/377,808.77 = 152,135.71/x
  3. Step 3: Cross multiply
    251,999.26x = 377,808.77 × 152,135.71
  4. Step 4: Simplify right side
    251,999.26x = 57,478,204,903.99
  5. Step 5: Solve for x
    x = 57,478,204,903.99/251,999.26
  6. Step 6: Final answer
    x = 228,088.79

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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.