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Finding the Fourth Proportional to 161,759.60, 242,596.20 and 49,439.60

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Solution

The fourth proportional to 161,759.60, 242,596.20 and 49,439.60 is: 74,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,759.60 : 242,596.20 = 49,439.60 : x
  2. Step 2: Convert to fraction form
    161,759.60/242,596.20 = 49,439.60/x
  3. Step 3: Cross multiply
    161,759.60x = 242,596.20 × 49,439.60
  4. Step 4: Simplify right side
    161,759.60x = 11,993,859,089.52
  5. Step 5: Solve for x
    x = 11,993,859,089.52/161,759.60
  6. Step 6: Final answer
    x = 74,146.20

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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.