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Finding the Fourth Proportional to 99,571.10, 149,012.19 and 95,437.67

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Solution

The fourth proportional to 99,571.10, 149,012.19 and 95,437.67 is: 142,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.10 : 149,012.19 = 95,437.67 : x
  2. Step 2: Convert to fraction form
    99,571.10/149,012.19 = 95,437.67/x
  3. Step 3: Cross multiply
    99,571.10x = 149,012.19 × 95,437.67
  4. Step 4: Simplify right side
    99,571.10x = 14,221,375,470.14
  5. Step 5: Solve for x
    x = 14,221,375,470.14/99,571.10
  6. Step 6: Final answer
    x = 142,826.34

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1.5x scale

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.