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Finding the Fourth Proportional to 252,592.44, 348,552.75 and 139,407.90

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Solution

The fourth proportional to 252,592.44, 348,552.75 and 139,407.90 is: 192,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,592.44 : 348,552.75 = 139,407.90 : x
  2. Step 2: Convert to fraction form
    252,592.44/348,552.75 = 139,407.90/x
  3. Step 3: Cross multiply
    252,592.44x = 348,552.75 × 139,407.90
  4. Step 4: Simplify right side
    252,592.44x = 48,591,006,916.73
  5. Step 5: Solve for x
    x = 48,591,006,916.73/252,592.44
  6. Step 6: Final answer
    x = 192,369.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.