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Finding the Fourth Proportional to 252,881.94, 379,379.40 and 95,111.76

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Solution

The fourth proportional to 252,881.94, 379,379.40 and 95,111.76 is: 142,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,881.94 : 379,379.40 = 95,111.76 : x
  2. Step 2: Convert to fraction form
    252,881.94/379,379.40 = 95,111.76/x
  3. Step 3: Cross multiply
    252,881.94x = 379,379.40 × 95,111.76
  4. Step 4: Simplify right side
    252,881.94x = 36,083,442,441.74
  5. Step 5: Solve for x
    x = 36,083,442,441.74/252,881.94
  6. Step 6: Final answer
    x = 142,688.89

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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.