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Finding the Fourth Proportional to 108,348.49, 162,424.32 and 49,151.94

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Solution

The fourth proportional to 108,348.49, 162,424.32 and 49,151.94 is: 73,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,348.49 : 162,424.32 = 49,151.94 : x
  2. Step 2: Convert to fraction form
    108,348.49/162,424.32 = 49,151.94/x
  3. Step 3: Cross multiply
    108,348.49x = 162,424.32 × 49,151.94
  4. Step 4: Simplify right side
    108,348.49x = 7,983,470,431.18
  5. Step 5: Solve for x
    x = 7,983,470,431.18/108,348.49
  6. Step 6: Final answer
    x = 73,683.26

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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.