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Finding the Fourth Proportional to 103,863.68, 155,773.64 and 37,307.60

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Solution

The fourth proportional to 103,863.68, 155,773.64 and 37,307.60 is: 55,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,863.68 : 155,773.64 = 37,307.60 : x
  2. Step 2: Convert to fraction form
    103,863.68/155,773.64 = 37,307.60/x
  3. Step 3: Cross multiply
    103,863.68x = 155,773.64 × 37,307.60
  4. Step 4: Simplify right side
    103,863.68x = 5,811,540,651.66
  5. Step 5: Solve for x
    x = 5,811,540,651.66/103,863.68
  6. Step 6: Final answer
    x = 55,953.54

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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.