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Finding the Fourth Proportional to 103,777.71, 155,758.75 and 53,892.24

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Solution

The fourth proportional to 103,777.71, 155,758.75 and 53,892.24 is: 80,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,777.71 : 155,758.75 = 53,892.24 : x
  2. Step 2: Convert to fraction form
    103,777.71/155,758.75 = 53,892.24/x
  3. Step 3: Cross multiply
    103,777.71x = 155,758.75 × 53,892.24
  4. Step 4: Simplify right side
    103,777.71x = 8,394,187,218.27
  5. Step 5: Solve for x
    x = 8,394,187,218.27/103,777.71
  6. Step 6: Final answer
    x = 80,886.23

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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.