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Finding the Fourth Proportional to 208,593.08, 312,114.24 and 124,398.92

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Solution

The fourth proportional to 208,593.08, 312,114.24 and 124,398.92 is: 186,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,593.08 : 312,114.24 = 124,398.92 : x
  2. Step 2: Convert to fraction form
    208,593.08/312,114.24 = 124,398.92/x
  3. Step 3: Cross multiply
    208,593.08x = 312,114.24 × 124,398.92
  4. Step 4: Simplify right side
    208,593.08x = 38,826,674,372.62
  5. Step 5: Solve for x
    x = 38,826,674,372.62/208,593.08
  6. Step 6: Final answer
    x = 186,135.97

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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.