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Finding the Fourth Proportional to 162,151.19, 243,201.83 and 54,082.46

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Solution

The fourth proportional to 162,151.19, 243,201.83 and 54,082.46 is: 81,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,151.19 : 243,201.83 = 54,082.46 : x
  2. Step 2: Convert to fraction form
    162,151.19/243,201.83 = 54,082.46/x
  3. Step 3: Cross multiply
    162,151.19x = 243,201.83 × 54,082.46
  4. Step 4: Simplify right side
    162,151.19x = 13,152,953,242.90
  5. Step 5: Solve for x
    x = 13,152,953,242.90/162,151.19
  6. Step 6: Final answer
    x = 81,115.37

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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.