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Finding the Fourth Proportional to 88,191.46, 121,697.94 and 49,954.87

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Solution

The fourth proportional to 88,191.46, 121,697.94 and 49,954.87 is: 68,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,191.46 : 121,697.94 = 49,954.87 : x
  2. Step 2: Convert to fraction form
    88,191.46/121,697.94 = 49,954.87/x
  3. Step 3: Cross multiply
    88,191.46x = 121,697.94 × 49,954.87
  4. Step 4: Simplify right side
    88,191.46x = 6,079,404,771.97
  5. Step 5: Solve for x
    x = 6,079,404,771.97/88,191.46
  6. Step 6: Final answer
    x = 68,934.17

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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.