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Finding the Fourth Proportional to 188,559.96, 260,268.99 and 124,078.92

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Solution

The fourth proportional to 188,559.96, 260,268.99 and 124,078.92 is: 171,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.96 : 260,268.99 = 124,078.92 : x
  2. Step 2: Convert to fraction form
    188,559.96/260,268.99 = 124,078.92/x
  3. Step 3: Cross multiply
    188,559.96x = 260,268.99 × 124,078.92
  4. Step 4: Simplify right side
    188,559.96x = 32,293,895,188.69
  5. Step 5: Solve for x
    x = 32,293,895,188.69/188,559.96
  6. Step 6: Final answer
    x = 171,265.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.