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Finding the Fourth Proportional to 114,648.75, 158,230.26 and 64,347.75

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Solution

The fourth proportional to 114,648.75, 158,230.26 and 64,347.75 is: 88,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,648.75 : 158,230.26 = 64,347.75 : x
  2. Step 2: Convert to fraction form
    114,648.75/158,230.26 = 64,347.75/x
  3. Step 3: Cross multiply
    114,648.75x = 158,230.26 × 64,347.75
  4. Step 4: Simplify right side
    114,648.75x = 10,181,761,212.92
  5. Step 5: Solve for x
    x = 10,181,761,212.92/114,648.75
  6. Step 6: Final answer
    x = 88,808.31

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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.