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Finding the Fourth Proportional to 107,159.50, 160,772.58 and 43,984.78

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Solution

The fourth proportional to 107,159.50, 160,772.58 and 43,984.78 is: 65,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,159.50 : 160,772.58 = 43,984.78 : x
  2. Step 2: Convert to fraction form
    107,159.50/160,772.58 = 43,984.78/x
  3. Step 3: Cross multiply
    107,159.50x = 160,772.58 × 43,984.78
  4. Step 4: Simplify right side
    107,159.50x = 7,071,546,561.33
  5. Step 5: Solve for x
    x = 7,071,546,561.33/107,159.50
  6. Step 6: Final answer
    x = 65,990.85

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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.