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Finding the Fourth Proportional to 116,404.92, 160,634.52 and 71,158.68

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Solution

The fourth proportional to 116,404.92, 160,634.52 and 71,158.68 is: 98,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,404.92 : 160,634.52 = 71,158.68 : x
  2. Step 2: Convert to fraction form
    116,404.92/160,634.52 = 71,158.68/x
  3. Step 3: Cross multiply
    116,404.92x = 160,634.52 × 71,158.68
  4. Step 4: Simplify right side
    116,404.92x = 11,430,540,405.63
  5. Step 5: Solve for x
    x = 11,430,540,405.63/116,404.92
  6. Step 6: Final answer
    x = 98,196.37

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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.