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Finding the Fourth Proportional to 107,658.58, 148,528.82 and 107,492.50

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Solution

The fourth proportional to 107,658.58, 148,528.82 and 107,492.50 is: 148,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,658.58 : 148,528.82 = 107,492.50 : x
  2. Step 2: Convert to fraction form
    107,658.58/148,528.82 = 107,492.50/x
  3. Step 3: Cross multiply
    107,658.58x = 148,528.82 × 107,492.50
  4. Step 4: Simplify right side
    107,658.58x = 15,965,734,183.85
  5. Step 5: Solve for x
    x = 15,965,734,183.85/107,658.58
  6. Step 6: Final answer
    x = 148,299.69

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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.