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Finding the Fourth Proportional to 103,792.80, 155,691.60 and 37,237.44

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Solution

The fourth proportional to 103,792.80, 155,691.60 and 37,237.44 is: 55,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792.80 : 155,691.60 = 37,237.44 : x
  2. Step 2: Convert to fraction form
    103,792.80/155,691.60 = 37,237.44/x
  3. Step 3: Cross multiply
    103,792.80x = 155,691.60 × 37,237.44
  4. Step 4: Simplify right side
    103,792.80x = 5,797,556,613.50
  5. Step 5: Solve for x
    x = 5,797,556,613.50/103,792.80
  6. Step 6: Final answer
    x = 55,857.02

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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.