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Finding the Fourth Proportional to 251,058.59, 346,463.55 and 137,881.34

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Solution

The fourth proportional to 251,058.59, 346,463.55 and 137,881.34 is: 190,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,058.59 : 346,463.55 = 137,881.34 : x
  2. Step 2: Convert to fraction form
    251,058.59/346,463.55 = 137,881.34/x
  3. Step 3: Cross multiply
    251,058.59x = 346,463.55 × 137,881.34
  4. Step 4: Simplify right side
    251,058.59x = 47,770,856,802.84
  5. Step 5: Solve for x
    x = 47,770,856,802.84/251,058.59
  6. Step 6: Final answer
    x = 190,277.73

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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.