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Finding the Fourth Proportional to 130,058.52, 195,103.42 and 45,801.27

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Solution

The fourth proportional to 130,058.52, 195,103.42 and 45,801.27 is: 68,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,058.52 : 195,103.42 = 45,801.27 : x
  2. Step 2: Convert to fraction form
    130,058.52/195,103.42 = 45,801.27/x
  3. Step 3: Cross multiply
    130,058.52x = 195,103.42 × 45,801.27
  4. Step 4: Simplify right side
    130,058.52x = 8,935,984,851.57
  5. Step 5: Solve for x
    x = 8,935,984,851.57/130,058.52
  6. Step 6: Final answer
    x = 68,707.41

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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.