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Finding the Fourth Proportional to 103,646.38, 155,452.95 and 37,074.10

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Solution

The fourth proportional to 103,646.38, 155,452.95 and 37,074.10 is: 55,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.38 : 155,452.95 = 37,074.10 : x
  2. Step 2: Convert to fraction form
    103,646.38/155,452.95 = 37,074.10/x
  3. Step 3: Cross multiply
    103,646.38x = 155,452.95 × 37,074.10
  4. Step 4: Simplify right side
    103,646.38x = 5,763,278,213.60
  5. Step 5: Solve for x
    x = 5,763,278,213.60/103,646.38
  6. Step 6: Final answer
    x = 55,605.21

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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.