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Finding the Fourth Proportional to 232,496.43, 348,897.74 and 127,389.21

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Solution

The fourth proportional to 232,496.43, 348,897.74 and 127,389.21 is: 191,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,496.43 : 348,897.74 = 127,389.21 : x
  2. Step 2: Convert to fraction form
    232,496.43/348,897.74 = 127,389.21/x
  3. Step 3: Cross multiply
    232,496.43x = 348,897.74 × 127,389.21
  4. Step 4: Simplify right side
    232,496.43x = 44,445,807,469.39
  5. Step 5: Solve for x
    x = 44,445,807,469.39/232,496.43
  6. Step 6: Final answer
    x = 191,167.70

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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.