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Finding the Fourth Proportional to 244,341.80, 366,383.10 and 86,575.40

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Solution

The fourth proportional to 244,341.80, 366,383.10 and 86,575.40 is: 129,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,341.80 : 366,383.10 = 86,575.40 : x
  2. Step 2: Convert to fraction form
    244,341.80/366,383.10 = 86,575.40/x
  3. Step 3: Cross multiply
    244,341.80x = 366,383.10 × 86,575.40
  4. Step 4: Simplify right side
    244,341.80x = 31,719,763,435.74
  5. Step 5: Solve for x
    x = 31,719,763,435.74/244,341.80
  6. Step 6: Final answer
    x = 129,817.18

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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.