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Finding the Fourth Proportional to 99,773.88, 149,660.40 and 40,595.52

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Solution

The fourth proportional to 99,773.88, 149,660.40 and 40,595.52 is: 60,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.88 : 149,660.40 = 40,595.52 : x
  2. Step 2: Convert to fraction form
    99,773.88/149,660.40 = 40,595.52/x
  3. Step 3: Cross multiply
    99,773.88x = 149,660.40 × 40,595.52
  4. Step 4: Simplify right side
    99,773.88x = 6,075,541,761.41
  5. Step 5: Solve for x
    x = 6,075,541,761.41/99,773.88
  6. Step 6: Final answer
    x = 60,893.11

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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.