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Finding the Fourth Proportional to 100,173.81, 150,270.80 and 37,010.52

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Solution

The fourth proportional to 100,173.81, 150,270.80 and 37,010.52 is: 55,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,173.81 : 150,270.80 = 37,010.52 : x
  2. Step 2: Convert to fraction form
    100,173.81/150,270.80 = 37,010.52/x
  3. Step 3: Cross multiply
    100,173.81x = 150,270.80 × 37,010.52
  4. Step 4: Simplify right side
    100,173.81x = 5,561,600,263.76
  5. Step 5: Solve for x
    x = 5,561,600,263.76/100,173.81
  6. Step 6: Final answer
    x = 55,519.50

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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.