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Finding the Fourth Proportional to 111,163.83, 153,367.75 and 62,759.71

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Solution

The fourth proportional to 111,163.83, 153,367.75 and 62,759.71 is: 86,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,163.83 : 153,367.75 = 62,759.71 : x
  2. Step 2: Convert to fraction form
    111,163.83/153,367.75 = 62,759.71/x
  3. Step 3: Cross multiply
    111,163.83x = 153,367.75 × 62,759.71
  4. Step 4: Simplify right side
    111,163.83x = 9,625,315,430.49
  5. Step 5: Solve for x
    x = 9,625,315,430.49/111,163.83
  6. Step 6: Final answer
    x = 86,586.76

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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.