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Finding the Fourth Proportional to 84,065.42, 116,007.97 and 45,825.71

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Solution

The fourth proportional to 84,065.42, 116,007.97 and 45,825.71 is: 63,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065.42 : 116,007.97 = 45,825.71 : x
  2. Step 2: Convert to fraction form
    84,065.42/116,007.97 = 45,825.71/x
  3. Step 3: Cross multiply
    84,065.42x = 116,007.97 × 45,825.71
  4. Step 4: Simplify right side
    84,065.42x = 5,316,147,766.36
  5. Step 5: Solve for x
    x = 5,316,147,766.36/84,065.42
  6. Step 6: Final answer
    x = 63,238.22

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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.