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Finding the Fourth Proportional to 103,636.88, 155,438.85 and 37,064.60

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Solution

The fourth proportional to 103,636.88, 155,438.85 and 37,064.60 is: 55,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.88 : 155,438.85 = 37,064.60 : x
  2. Step 2: Convert to fraction form
    103,636.88/155,438.85 = 37,064.60/x
  3. Step 3: Cross multiply
    103,636.88x = 155,438.85 × 37,064.60
  4. Step 4: Simplify right side
    103,636.88x = 5,761,278,799.71
  5. Step 5: Solve for x
    x = 5,761,278,799.71/103,636.88
  6. Step 6: Final answer
    x = 55,591.01

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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.