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Finding the Fourth Proportional to 99,958.44, 149,863.58 and 60,506.22

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Solution

The fourth proportional to 99,958.44, 149,863.58 and 60,506.22 is: 90,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,958.44 : 149,863.58 = 60,506.22 : x
  2. Step 2: Convert to fraction form
    99,958.44/149,863.58 = 60,506.22/x
  3. Step 3: Cross multiply
    99,958.44x = 149,863.58 × 60,506.22
  4. Step 4: Simplify right side
    99,958.44x = 9,067,678,741.47
  5. Step 5: Solve for x
    x = 9,067,678,741.47/99,958.44
  6. Step 6: Final answer
    x = 90,714.49

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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.