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Finding the Fourth Proportional to 84,160.62, 116,127.54 and 47,856.42

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Solution

The fourth proportional to 84,160.62, 116,127.54 and 47,856.42 is: 66,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,160.62 : 116,127.54 = 47,856.42 : x
  2. Step 2: Convert to fraction form
    84,160.62/116,127.54 = 47,856.42/x
  3. Step 3: Cross multiply
    84,160.62x = 116,127.54 × 47,856.42
  4. Step 4: Simplify right side
    84,160.62x = 5,557,448,327.81
  5. Step 5: Solve for x
    x = 5,557,448,327.81/84,160.62
  6. Step 6: Final answer
    x = 66,033.83

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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.