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Finding the Fourth Proportional to 59,364.30, 81,978.24 and 38,180.34

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Solution

The fourth proportional to 59,364.30, 81,978.24 and 38,180.34 is: 52,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,364.30 : 81,978.24 = 38,180.34 : x
  2. Step 2: Convert to fraction form
    59,364.30/81,978.24 = 38,180.34/x
  3. Step 3: Cross multiply
    59,364.30x = 81,978.24 × 38,180.34
  4. Step 4: Simplify right side
    59,364.30x = 3,129,957,075.80
  5. Step 5: Solve for x
    x = 3,129,957,075.80/59,364.30
  6. Step 6: Final answer
    x = 52,724.57

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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.