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Finding the Fourth Proportional to 71,849.88, 99,175.82 and 46,356.98

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Solution

The fourth proportional to 71,849.88, 99,175.82 and 46,356.98 is: 63,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.88 : 99,175.82 = 46,356.98 : x
  2. Step 2: Convert to fraction form
    71,849.88/99,175.82 = 46,356.98/x
  3. Step 3: Cross multiply
    71,849.88x = 99,175.82 × 46,356.98
  4. Step 4: Simplify right side
    71,849.88x = 4,597,490,776.56
  5. Step 5: Solve for x
    x = 4,597,490,776.56/71,849.88
  6. Step 6: Final answer
    x = 63,987.45

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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.