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Finding the Fourth Proportional to 60,144.67, 90,223.08 and 20,696.59

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Solution

The fourth proportional to 60,144.67, 90,223.08 and 20,696.59 is: 31,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.67 : 90,223.08 = 20,696.59 : x
  2. Step 2: Convert to fraction form
    60,144.67/90,223.08 = 20,696.59/x
  3. Step 3: Cross multiply
    60,144.67x = 90,223.08 × 20,696.59
  4. Step 4: Simplify right side
    60,144.67x = 1,867,310,095.30
  5. Step 5: Solve for x
    x = 1,867,310,095.30/60,144.67
  6. Step 6: Final answer
    x = 31,046.98

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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.