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Finding the Fourth Proportional to 162,873.70, 244,310.55 and 156,968.80

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Solution

The fourth proportional to 162,873.70, 244,310.55 and 156,968.80 is: 235,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,873.70 : 244,310.55 = 156,968.80 : x
  2. Step 2: Convert to fraction form
    162,873.70/244,310.55 = 156,968.80/x
  3. Step 3: Cross multiply
    162,873.70x = 244,310.55 × 156,968.80
  4. Step 4: Simplify right side
    162,873.70x = 38,349,133,860.84
  5. Step 5: Solve for x
    x = 38,349,133,860.84/162,873.70
  6. Step 6: Final answer
    x = 235,453.20

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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.