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Finding the Fourth Proportional to 116,017.80, 173,860.65 and 65,992.20

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Solution

The fourth proportional to 116,017.80, 173,860.65 and 65,992.20 is: 98,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,017.80 : 173,860.65 = 65,992.20 : x
  2. Step 2: Convert to fraction form
    116,017.80/173,860.65 = 65,992.20/x
  3. Step 3: Cross multiply
    116,017.80x = 173,860.65 × 65,992.20
  4. Step 4: Simplify right side
    116,017.80x = 11,473,446,786.93
  5. Step 5: Solve for x
    x = 11,473,446,786.93/116,017.80
  6. Step 6: Final answer
    x = 98,893.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.