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Finding the Fourth Proportional to 96,372, 133,075.44 and 60,621.84

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Solution

The fourth proportional to 96,372, 133,075.44 and 60,621.84 is: 83,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,372 : 133,075.44 = 60,621.84 : x
  2. Step 2: Convert to fraction form
    96,372/133,075.44 = 60,621.84/x
  3. Step 3: Cross multiply
    96,372x = 133,075.44 × 60,621.84
  4. Step 4: Simplify right side
    96,372x = 8,067,278,031.61
  5. Step 5: Solve for x
    x = 8,067,278,031.61/96,372
  6. Step 6: Final answer
    x = 83,709.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.