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Finding the Fourth Proportional to 168,038.49, 252,174.14 and 66,826.17

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Solution

The fourth proportional to 168,038.49, 252,174.14 and 66,826.17 is: 100,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038.49 : 252,174.14 = 66,826.17 : x
  2. Step 2: Convert to fraction form
    168,038.49/252,174.14 = 66,826.17/x
  3. Step 3: Cross multiply
    168,038.49x = 252,174.14 × 66,826.17
  4. Step 4: Simplify right side
    168,038.49x = 16,851,832,277.96
  5. Step 5: Solve for x
    x = 16,851,832,277.96/168,038.49
  6. Step 6: Final answer
    x = 100,285.55

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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.