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Finding the Fourth Proportional to 270,073.17, 372,669.20 and 149,207.25

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Solution

The fourth proportional to 270,073.17, 372,669.20 and 149,207.25 is: 205,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,073.17 : 372,669.20 = 149,207.25 : x
  2. Step 2: Convert to fraction form
    270,073.17/372,669.20 = 149,207.25/x
  3. Step 3: Cross multiply
    270,073.17x = 372,669.20 × 149,207.25
  4. Step 4: Simplify right side
    270,073.17x = 55,604,946,445.73
  5. Step 5: Solve for x
    x = 55,604,946,445.73/270,073.17
  6. Step 6: Final answer
    x = 205,888.45

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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.