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Finding the Fourth Proportional to 245,424.44, 368,144.90 and 67,916.60

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Solution

The fourth proportional to 245,424.44, 368,144.90 and 67,916.60 is: 101,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,424.44 : 368,144.90 = 67,916.60 : x
  2. Step 2: Convert to fraction form
    245,424.44/368,144.90 = 67,916.60/x
  3. Step 3: Cross multiply
    245,424.44x = 368,144.90 × 67,916.60
  4. Step 4: Simplify right side
    245,424.44x = 25,003,149,915.34
  5. Step 5: Solve for x
    x = 25,003,149,915.34/245,424.44
  6. Step 6: Final answer
    x = 101,877.18

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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.