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Finding the Fourth Proportional to 100,655.53, 150,997.77 and 37,470.26

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Solution

The fourth proportional to 100,655.53, 150,997.77 and 37,470.26 is: 56,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,655.53 : 150,997.77 = 37,470.26 : x
  2. Step 2: Convert to fraction form
    100,655.53/150,997.77 = 37,470.26/x
  3. Step 3: Cross multiply
    100,655.53x = 150,997.77 × 37,470.26
  4. Step 4: Simplify right side
    100,655.53x = 5,657,926,078.81
  5. Step 5: Solve for x
    x = 5,657,926,078.81/100,655.53
  6. Step 6: Final answer
    x = 56,210.78

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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.