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Finding the Fourth Proportional to 265,894.60, 398,835.42 and 108,083.92

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Solution

The fourth proportional to 265,894.60, 398,835.42 and 108,083.92 is: 162,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,894.60 : 398,835.42 = 108,083.92 : x
  2. Step 2: Convert to fraction form
    265,894.60/398,835.42 = 108,083.92/x
  3. Step 3: Cross multiply
    265,894.60x = 398,835.42 × 108,083.92
  4. Step 4: Simplify right side
    265,894.60x = 43,107,695,628.45
  5. Step 5: Solve for x
    x = 43,107,695,628.45/265,894.60
  6. Step 6: Final answer
    x = 162,123.25

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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.