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Finding the Fourth Proportional to 73,918, 110,891.60 and 37,803.36

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Solution

The fourth proportional to 73,918, 110,891.60 and 37,803.36 is: 56,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,918 : 110,891.60 = 37,803.36 : x
  2. Step 2: Convert to fraction form
    73,918/110,891.60 = 37,803.36/x
  3. Step 3: Cross multiply
    73,918x = 110,891.60 × 37,803.36
  4. Step 4: Simplify right side
    73,918x = 4,192,075,075.78
  5. Step 5: Solve for x
    x = 4,192,075,075.78/73,918
  6. Step 6: Final answer
    x = 56,712.51

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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.