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Finding the Fourth Proportional to 99,299.67, 148,902.57 and 36,075.70

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Solution

The fourth proportional to 99,299.67, 148,902.57 and 36,075.70 is: 54,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.67 : 148,902.57 = 36,075.70 : x
  2. Step 2: Convert to fraction form
    99,299.67/148,902.57 = 36,075.70/x
  3. Step 3: Cross multiply
    99,299.67x = 148,902.57 × 36,075.70
  4. Step 4: Simplify right side
    99,299.67x = 5,371,764,444.55
  5. Step 5: Solve for x
    x = 5,371,764,444.55/99,299.67
  6. Step 6: Final answer
    x = 54,096.50

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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.