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Finding the Fourth Proportional to 103,497.82, 155,153.20 and 36,922.12

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Solution

The fourth proportional to 103,497.82, 155,153.20 and 36,922.12 is: 55,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,497.82 : 155,153.20 = 36,922.12 : x
  2. Step 2: Convert to fraction form
    103,497.82/155,153.20 = 36,922.12/x
  3. Step 3: Cross multiply
    103,497.82x = 155,153.20 × 36,922.12
  4. Step 4: Simplify right side
    103,497.82x = 5,728,585,068.78
  5. Step 5: Solve for x
    x = 5,728,585,068.78/103,497.82
  6. Step 6: Final answer
    x = 55,349.81

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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.