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Finding the Fourth Proportional to 110,859.84, 152,986.32 and 60,559.20

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Solution

The fourth proportional to 110,859.84, 152,986.32 and 60,559.20 is: 83,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.84 : 152,986.32 = 60,559.20 : x
  2. Step 2: Convert to fraction form
    110,859.84/152,986.32 = 60,559.20/x
  3. Step 3: Cross multiply
    110,859.84x = 152,986.32 × 60,559.20
  4. Step 4: Simplify right side
    110,859.84x = 9,264,729,150.14
  5. Step 5: Solve for x
    x = 9,264,729,150.14/110,859.84
  6. Step 6: Final answer
    x = 83,571.55

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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.