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Finding the Fourth Proportional to 100,223.22, 149,986.71 and 62,256.90

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Solution

The fourth proportional to 100,223.22, 149,986.71 and 62,256.90 is: 93,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,223.22 : 149,986.71 = 62,256.90 : x
  2. Step 2: Convert to fraction form
    100,223.22/149,986.71 = 62,256.90/x
  3. Step 3: Cross multiply
    100,223.22x = 149,986.71 × 62,256.90
  4. Step 4: Simplify right side
    100,223.22x = 9,337,707,605.80
  5. Step 5: Solve for x
    x = 9,337,707,605.80/100,223.22
  6. Step 6: Final answer
    x = 93,169.10

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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.