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Finding the Fourth Proportional to 162,703.60, 244,176.90 and 83,777.20

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Solution

The fourth proportional to 162,703.60, 244,176.90 and 83,777.20 is: 125,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,703.60 : 244,176.90 = 83,777.20 : x
  2. Step 2: Convert to fraction form
    162,703.60/244,176.90 = 83,777.20/x
  3. Step 3: Cross multiply
    162,703.60x = 244,176.90 × 83,777.20
  4. Step 4: Simplify right side
    162,703.60x = 20,456,456,986.68
  5. Step 5: Solve for x
    x = 20,456,456,986.68/162,703.60
  6. Step 6: Final answer
    x = 125,728.36

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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.