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Finding the Fourth Proportional to 162,034.80, 242,974.44 and 83,108.40

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Solution

The fourth proportional to 162,034.80, 242,974.44 and 83,108.40 is: 124,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,034.80 : 242,974.44 = 83,108.40 : x
  2. Step 2: Convert to fraction form
    162,034.80/242,974.44 = 83,108.40/x
  3. Step 3: Cross multiply
    162,034.80x = 242,974.44 × 83,108.40
  4. Step 4: Simplify right side
    162,034.80x = 20,193,216,949.30
  5. Step 5: Solve for x
    x = 20,193,216,949.30/162,034.80
  6. Step 6: Final answer
    x = 124,622.72

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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.