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Finding the Fourth Proportional to 111,777.60, 167,860.80 and 59,289.60

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Solution

The fourth proportional to 111,777.60, 167,860.80 and 59,289.60 is: 89,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.60 : 167,860.80 = 59,289.60 : x
  2. Step 2: Convert to fraction form
    111,777.60/167,860.80 = 59,289.60/x
  3. Step 3: Cross multiply
    111,777.60x = 167,860.80 × 59,289.60
  4. Step 4: Simplify right side
    111,777.60x = 9,952,399,687.68
  5. Step 5: Solve for x
    x = 9,952,399,687.68/111,777.60
  6. Step 6: Final answer
    x = 89,037.51

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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.