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Finding the Fourth Proportional to 110,376, 152,319.42 and 60,075

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Solution

The fourth proportional to 110,376, 152,319.42 and 60,075 is: 82,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,376 : 152,319.42 = 60,075 : x
  2. Step 2: Convert to fraction form
    110,376/152,319.42 = 60,075/x
  3. Step 3: Cross multiply
    110,376x = 152,319.42 × 60,075
  4. Step 4: Simplify right side
    110,376x = 9,150,589,156.50
  5. Step 5: Solve for x
    x = 9,150,589,156.50/110,376
  6. Step 6: Final answer
    x = 82,903.79

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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.