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Finding the Fourth Proportional to 103,509.57, 155,297.17 and 36,948.22

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Solution

The fourth proportional to 103,509.57, 155,297.17 and 36,948.22 is: 55,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509.57 : 155,297.17 = 36,948.22 : x
  2. Step 2: Convert to fraction form
    103,509.57/155,297.17 = 36,948.22/x
  3. Step 3: Cross multiply
    103,509.57x = 155,297.17 × 36,948.22
  4. Step 4: Simplify right side
    103,509.57x = 5,737,954,002.54
  5. Step 5: Solve for x
    x = 5,737,954,002.54/103,509.57
  6. Step 6: Final answer
    x = 55,434.05

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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.