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Finding the Fourth Proportional to 100,088.61, 150,126.44 and 37,757.49

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Solution

The fourth proportional to 100,088.61, 150,126.44 and 37,757.49 is: 56,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088.61 : 150,126.44 = 37,757.49 : x
  2. Step 2: Convert to fraction form
    100,088.61/150,126.44 = 37,757.49/x
  3. Step 3: Cross multiply
    100,088.61x = 150,126.44 × 37,757.49
  4. Step 4: Simplify right side
    100,088.61x = 5,668,397,368.25
  5. Step 5: Solve for x
    x = 5,668,397,368.25/100,088.61
  6. Step 6: Final answer
    x = 56,633.79

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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.