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Finding the Fourth Proportional to 74,368.10, 111,552.15 and 44,843.60

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Solution

The fourth proportional to 74,368.10, 111,552.15 and 44,843.60 is: 67,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.10 : 111,552.15 = 44,843.60 : x
  2. Step 2: Convert to fraction form
    74,368.10/111,552.15 = 44,843.60/x
  3. Step 3: Cross multiply
    74,368.10x = 111,552.15 × 44,843.60
  4. Step 4: Simplify right side
    74,368.10x = 5,002,399,993.74
  5. Step 5: Solve for x
    x = 5,002,399,993.74/74,368.10
  6. Step 6: Final answer
    x = 67,265.40

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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.