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Finding the Fourth Proportional to 101,596.61, 140,271.82 and 63,414.32

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Solution

The fourth proportional to 101,596.61, 140,271.82 and 63,414.32 is: 87,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,596.61 : 140,271.82 = 63,414.32 : x
  2. Step 2: Convert to fraction form
    101,596.61/140,271.82 = 63,414.32/x
  3. Step 3: Cross multiply
    101,596.61x = 140,271.82 × 63,414.32
  4. Step 4: Simplify right side
    101,596.61x = 8,895,241,220.57
  5. Step 5: Solve for x
    x = 8,895,241,220.57/101,596.61
  6. Step 6: Final answer
    x = 87,554.51

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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.