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Finding the Fourth Proportional to 209,402.25, 313,310.75 and 124,058.93

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Solution

The fourth proportional to 209,402.25, 313,310.75 and 124,058.93 is: 185,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,402.25 : 313,310.75 = 124,058.93 : x
  2. Step 2: Convert to fraction form
    209,402.25/313,310.75 = 124,058.93/x
  3. Step 3: Cross multiply
    209,402.25x = 313,310.75 × 124,058.93
  4. Step 4: Simplify right side
    209,402.25x = 38,868,996,402.50
  5. Step 5: Solve for x
    x = 38,868,996,402.50/209,402.25
  6. Step 6: Final answer
    x = 185,618.81

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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.