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Finding the Fourth Proportional to 161,834.48, 242,690.04 and 49,480.40

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Solution

The fourth proportional to 161,834.48, 242,690.04 and 49,480.40 is: 74,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.48 : 242,690.04 = 49,480.40 : x
  2. Step 2: Convert to fraction form
    161,834.48/242,690.04 = 49,480.40/x
  3. Step 3: Cross multiply
    161,834.48x = 242,690.04 × 49,480.40
  4. Step 4: Simplify right side
    161,834.48x = 12,008,400,255.22
  5. Step 5: Solve for x
    x = 12,008,400,255.22/161,834.48
  6. Step 6: Final answer
    x = 74,201.74

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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.