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Finding the Fourth Proportional to 99,768.85, 149,649.63 and 29,646.34

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Solution

The fourth proportional to 99,768.85, 149,649.63 and 29,646.34 is: 44,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,768.85 : 149,649.63 = 29,646.34 : x
  2. Step 2: Convert to fraction form
    99,768.85/149,649.63 = 29,646.34/x
  3. Step 3: Cross multiply
    99,768.85x = 149,649.63 × 29,646.34
  4. Step 4: Simplify right side
    99,768.85x = 4,436,563,326.56
  5. Step 5: Solve for x
    x = 4,436,563,326.56/99,768.85
  6. Step 6: Final answer
    x = 44,468.42

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1.5x scale

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.