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Finding the Fourth Proportional to 104,851.71, 157,258.13 and 34,721.91

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Solution

The fourth proportional to 104,851.71, 157,258.13 and 34,721.91 is: 52,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,851.71 : 157,258.13 = 34,721.91 : x
  2. Step 2: Convert to fraction form
    104,851.71/157,258.13 = 34,721.91/x
  3. Step 3: Cross multiply
    104,851.71x = 157,258.13 × 34,721.91
  4. Step 4: Simplify right side
    104,851.71x = 5,460,302,463.02
  5. Step 5: Solve for x
    x = 5,460,302,463.02/104,851.71
  6. Step 6: Final answer
    x = 52,076.43

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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.