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Finding the Fourth Proportional to 100,357.11, 150,541.34 and 44,223.57

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Solution

The fourth proportional to 100,357.11, 150,541.34 and 44,223.57 is: 66,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,357.11 : 150,541.34 = 44,223.57 : x
  2. Step 2: Convert to fraction form
    100,357.11/150,541.34 = 44,223.57/x
  3. Step 3: Cross multiply
    100,357.11x = 150,541.34 × 44,223.57
  4. Step 4: Simplify right side
    100,357.11x = 6,657,475,266.27
  5. Step 5: Solve for x
    x = 6,657,475,266.27/100,357.11
  6. Step 6: Final answer
    x = 66,337.85

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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.