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Finding the Fourth Proportional to 114,370.30, 157,890.76 and 88,819.34

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Solution

The fourth proportional to 114,370.30, 157,890.76 and 88,819.34 is: 122,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,370.30 : 157,890.76 = 88,819.34 : x
  2. Step 2: Convert to fraction form
    114,370.30/157,890.76 = 88,819.34/x
  3. Step 3: Cross multiply
    114,370.30x = 157,890.76 × 88,819.34
  4. Step 4: Simplify right side
    114,370.30x = 14,023,753,095.30
  5. Step 5: Solve for x
    x = 14,023,753,095.30/114,370.30
  6. Step 6: Final answer
    x = 122,617.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.