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Finding the Fourth Proportional to 104,329.08, 156,493.08 and 90,246.96

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Solution

The fourth proportional to 104,329.08, 156,493.08 and 90,246.96 is: 135,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,329.08 : 156,493.08 = 90,246.96 : x
  2. Step 2: Convert to fraction form
    104,329.08/156,493.08 = 90,246.96/x
  3. Step 3: Cross multiply
    104,329.08x = 156,493.08 × 90,246.96
  4. Step 4: Simplify right side
    104,329.08x = 14,123,024,731.04
  5. Step 5: Solve for x
    x = 14,123,024,731.04/104,329.08
  6. Step 6: Final answer
    x = 135,369.97

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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.