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Finding the Fourth Proportional to 195,559.96, 293,292.96 and 90,277.78

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Solution

The fourth proportional to 195,559.96, 293,292.96 and 90,277.78 is: 135,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,559.96 : 293,292.96 = 90,277.78 : x
  2. Step 2: Convert to fraction form
    195,559.96/293,292.96 = 90,277.78/x
  3. Step 3: Cross multiply
    195,559.96x = 293,292.96 × 90,277.78
  4. Step 4: Simplify right side
    195,559.96x = 26,477,837,318.43
  5. Step 5: Solve for x
    x = 26,477,837,318.43/195,559.96
  6. Step 6: Final answer
    x = 135,394.98

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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.