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Finding the Fourth Proportional to 252,252, 348,110.16 and 139,078.80

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Solution

The fourth proportional to 252,252, 348,110.16 and 139,078.80 is: 191,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,252 : 348,110.16 = 139,078.80 : x
  2. Step 2: Convert to fraction form
    252,252/348,110.16 = 139,078.80/x
  3. Step 3: Cross multiply
    252,252x = 348,110.16 × 139,078.80
  4. Step 4: Simplify right side
    252,252x = 48,414,743,320.61
  5. Step 5: Solve for x
    x = 48,414,743,320.61/252,252
  6. Step 6: Final answer
    x = 191,930.07

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