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Finding the Fourth Proportional to 60,198.94, 83,075.16 and 36,321

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Solution

The fourth proportional to 60,198.94, 83,075.16 and 36,321 is: 50,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,198.94 : 83,075.16 = 36,321 : x
  2. Step 2: Convert to fraction form
    60,198.94/83,075.16 = 36,321/x
  3. Step 3: Cross multiply
    60,198.94x = 83,075.16 × 36,321
  4. Step 4: Simplify right side
    60,198.94x = 3,017,372,886.36
  5. Step 5: Solve for x
    x = 3,017,372,886.36/60,198.94
  6. Step 6: Final answer
    x = 50,123.36

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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.