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Finding the Fourth Proportional to 162,803.73, 244,008.77 and 83,874.90

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Solution

The fourth proportional to 162,803.73, 244,008.77 and 83,874.90 is: 125,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,803.73 : 244,008.77 = 83,874.90 : x
  2. Step 2: Convert to fraction form
    162,803.73/244,008.77 = 83,874.90/x
  3. Step 3: Cross multiply
    162,803.73x = 244,008.77 × 83,874.90
  4. Step 4: Simplify right side
    162,803.73x = 20,466,210,763.50
  5. Step 5: Solve for x
    x = 20,466,210,763.50/162,803.73
  6. Step 6: Final answer
    x = 125,710.95

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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.