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Finding the Fourth Proportional to 254,775.01, 351,593.91 and 140,058.49

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Solution

The fourth proportional to 254,775.01, 351,593.91 and 140,058.49 is: 193,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,775.01 : 351,593.91 = 140,058.49 : x
  2. Step 2: Convert to fraction form
    254,775.01/351,593.91 = 140,058.49/x
  3. Step 3: Cross multiply
    254,775.01x = 351,593.91 × 140,058.49
  4. Step 4: Simplify right side
    254,775.01x = 49,243,712,127.80
  5. Step 5: Solve for x
    x = 49,243,712,127.80/254,775.01
  6. Step 6: Final answer
    x = 193,283.13

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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.