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Finding the Fourth Proportional to 160,687.04, 240,952.80 and 55,469.12

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Solution

The fourth proportional to 160,687.04, 240,952.80 and 55,469.12 is: 83,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,687.04 : 240,952.80 = 55,469.12 : x
  2. Step 2: Convert to fraction form
    160,687.04/240,952.80 = 55,469.12/x
  3. Step 3: Cross multiply
    160,687.04x = 240,952.80 × 55,469.12
  4. Step 4: Simplify right side
    160,687.04x = 13,365,439,777.54
  5. Step 5: Solve for x
    x = 13,365,439,777.54/160,687.04
  6. Step 6: Final answer
    x = 83,176.84

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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.