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Finding the Fourth Proportional to 118,603.72, 177,875.34 and 48,469.96

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Solution

The fourth proportional to 118,603.72, 177,875.34 and 48,469.96 is: 72,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,603.72 : 177,875.34 = 48,469.96 : x
  2. Step 2: Convert to fraction form
    118,603.72/177,875.34 = 48,469.96/x
  3. Step 3: Cross multiply
    118,603.72x = 177,875.34 × 48,469.96
  4. Step 4: Simplify right side
    118,603.72x = 8,621,610,614.79
  5. Step 5: Solve for x
    x = 8,621,610,614.79/118,603.72
  6. Step 6: Final answer
    x = 72,692.58

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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.