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Finding the Fourth Proportional to 48,178.98, 72,241.92 and 14,889.87

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Solution

The fourth proportional to 48,178.98, 72,241.92 and 14,889.87 is: 22,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.98 : 72,241.92 = 14,889.87 : x
  2. Step 2: Convert to fraction form
    48,178.98/72,241.92 = 14,889.87/x
  3. Step 3: Cross multiply
    48,178.98x = 72,241.92 × 14,889.87
  4. Step 4: Simplify right side
    48,178.98x = 1,075,672,797.35
  5. Step 5: Solve for x
    x = 1,075,672,797.35/48,178.98
  6. Step 6: Final answer
    x = 22,326.60

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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.