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Finding the Fourth Proportional to 103,851.78, 155,777.61 and 24,965.99

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Solution

The fourth proportional to 103,851.78, 155,777.61 and 24,965.99 is: 37,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,851.78 : 155,777.61 = 24,965.99 : x
  2. Step 2: Convert to fraction form
    103,851.78/155,777.61 = 24,965.99/x
  3. Step 3: Cross multiply
    103,851.78x = 155,777.61 × 24,965.99
  4. Step 4: Simplify right side
    103,851.78x = 3,889,141,474.60
  5. Step 5: Solve for x
    x = 3,889,141,474.60/103,851.78
  6. Step 6: Final answer
    x = 37,448.96

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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.