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Finding the Fourth Proportional to 99,491.58, 149,253.57 and 29,377.98

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Solution

The fourth proportional to 99,491.58, 149,253.57 and 29,377.98 is: 44,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,491.58 : 149,253.57 = 29,377.98 : x
  2. Step 2: Convert to fraction form
    99,491.58/149,253.57 = 29,377.98/x
  3. Step 3: Cross multiply
    99,491.58x = 149,253.57 × 29,377.98
  4. Step 4: Simplify right side
    99,491.58x = 4,384,768,394.39
  5. Step 5: Solve for x
    x = 4,384,768,394.39/99,491.58
  6. Step 6: Final answer
    x = 44,071.75

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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.