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Finding the Fourth Proportional to 67,820.60, 101,658.90 and 32,737.40

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Solution

The fourth proportional to 67,820.60, 101,658.90 and 32,737.40 is: 49,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,820.60 : 101,658.90 = 32,737.40 : x
  2. Step 2: Convert to fraction form
    67,820.60/101,658.90 = 32,737.40/x
  3. Step 3: Cross multiply
    67,820.60x = 101,658.90 × 32,737.40
  4. Step 4: Simplify right side
    67,820.60x = 3,328,048,072.86
  5. Step 5: Solve for x
    x = 3,328,048,072.86/67,820.60
  6. Step 6: Final answer
    x = 49,071.35

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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.