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Finding the Fourth Proportional to 103,921.56, 155,843.88 and 37,343.76

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Solution

The fourth proportional to 103,921.56, 155,843.88 and 37,343.76 is: 56,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.56 : 155,843.88 = 37,343.76 : x
  2. Step 2: Convert to fraction form
    103,921.56/155,843.88 = 37,343.76/x
  3. Step 3: Cross multiply
    103,921.56x = 155,843.88 × 37,343.76
  4. Step 4: Simplify right side
    103,921.56x = 5,819,796,452.19
  5. Step 5: Solve for x
    x = 5,819,796,452.19/103,921.56
  6. Step 6: Final answer
    x = 56,001.82

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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.