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Finding the Fourth Proportional to 69,013, 95,199.06 and 45,134.20

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Solution

The fourth proportional to 69,013, 95,199.06 and 45,134.20 is: 62,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013 : 95,199.06 = 45,134.20 : x
  2. Step 2: Convert to fraction form
    69,013/95,199.06 = 45,134.20/x
  3. Step 3: Cross multiply
    69,013x = 95,199.06 × 45,134.20
  4. Step 4: Simplify right side
    69,013x = 4,296,733,413.85
  5. Step 5: Solve for x
    x = 4,296,733,413.85/69,013
  6. Step 6: Final answer
    x = 62,259.77

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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.