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Finding the Fourth Proportional to 103,802.95, 155,704.42 and 24,917.17

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Solution

The fourth proportional to 103,802.95, 155,704.42 and 24,917.17 is: 37,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.95 : 155,704.42 = 24,917.17 : x
  2. Step 2: Convert to fraction form
    103,802.95/155,704.42 = 24,917.17/x
  3. Step 3: Cross multiply
    103,802.95x = 155,704.42 × 24,917.17
  4. Step 4: Simplify right side
    103,802.95x = 3,879,713,990.70
  5. Step 5: Solve for x
    x = 3,879,713,990.70/103,802.95
  6. Step 6: Final answer
    x = 37,375.76

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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.