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Finding the Fourth Proportional to 115,596.60, 173,394.90 and 36,718.80

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Solution

The fourth proportional to 115,596.60, 173,394.90 and 36,718.80 is: 55,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,596.60 : 173,394.90 = 36,718.80 : x
  2. Step 2: Convert to fraction form
    115,596.60/173,394.90 = 36,718.80/x
  3. Step 3: Cross multiply
    115,596.60x = 173,394.90 × 36,718.80
  4. Step 4: Simplify right side
    115,596.60x = 6,366,852,654.12
  5. Step 5: Solve for x
    x = 6,366,852,654.12/115,596.60
  6. Step 6: Final answer
    x = 55,078.20

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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.