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Finding the Fourth Proportional to 132,603.35, 198,746.93 and 92,404.67

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Solution

The fourth proportional to 132,603.35, 198,746.93 and 92,404.67 is: 138,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,603.35 : 198,746.93 = 92,404.67 : x
  2. Step 2: Convert to fraction form
    132,603.35/198,746.93 = 92,404.67/x
  3. Step 3: Cross multiply
    132,603.35x = 198,746.93 × 92,404.67
  4. Step 4: Simplify right side
    132,603.35x = 18,365,143,717.44
  5. Step 5: Solve for x
    x = 18,365,143,717.44/132,603.35
  6. Step 6: Final answer
    x = 138,496.84

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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.