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Finding the Fourth Proportional to 169,456.50, 254,223.81 and 58,648.50

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Solution

The fourth proportional to 169,456.50, 254,223.81 and 58,648.50 is: 87,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,456.50 : 254,223.81 = 58,648.50 : x
  2. Step 2: Convert to fraction form
    169,456.50/254,223.81 = 58,648.50/x
  3. Step 3: Cross multiply
    169,456.50x = 254,223.81 × 58,648.50
  4. Step 4: Simplify right side
    169,456.50x = 14,909,845,120.79
  5. Step 5: Solve for x
    x = 14,909,845,120.79/169,456.50
  6. Step 6: Final answer
    x = 87,986.27

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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.