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Finding the Fourth Proportional to 91,446.53, 126,239.35 and 68,794.14

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Solution

The fourth proportional to 91,446.53, 126,239.35 and 68,794.14 is: 94,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,446.53 : 126,239.35 = 68,794.14 : x
  2. Step 2: Convert to fraction form
    91,446.53/126,239.35 = 68,794.14/x
  3. Step 3: Cross multiply
    91,446.53x = 126,239.35 × 68,794.14
  4. Step 4: Simplify right side
    91,446.53x = 8,684,527,345.42
  5. Step 5: Solve for x
    x = 8,684,527,345.42/91,446.53
  6. Step 6: Final answer
    x = 94,968.37

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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.