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Finding the Fourth Proportional to 69,013.50, 95,199.75 and 45,134.70

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Solution

The fourth proportional to 69,013.50, 95,199.75 and 45,134.70 is: 62,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.50 : 95,199.75 = 45,134.70 : x
  2. Step 2: Convert to fraction form
    69,013.50/95,199.75 = 45,134.70/x
  3. Step 3: Cross multiply
    69,013.50x = 95,199.75 × 45,134.70
  4. Step 4: Simplify right side
    69,013.50x = 4,296,812,156.33
  5. Step 5: Solve for x
    x = 4,296,812,156.33/69,013.50
  6. Step 6: Final answer
    x = 62,260.46

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1.5x scale

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.