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Finding the Fourth Proportional to 74,246.10, 111,369.15 and 44,648.70

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Solution

The fourth proportional to 74,246.10, 111,369.15 and 44,648.70 is: 66,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.10 : 111,369.15 = 44,648.70 : x
  2. Step 2: Convert to fraction form
    74,246.10/111,369.15 = 44,648.70/x
  3. Step 3: Cross multiply
    74,246.10x = 111,369.15 × 44,648.70
  4. Step 4: Simplify right side
    74,246.10x = 4,972,487,767.61
  5. Step 5: Solve for x
    x = 4,972,487,767.61/74,246.10
  6. Step 6: Final answer
    x = 66,973.05

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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.