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Finding the Fourth Proportional to 234,752.40, 352,040.12 and 84,955.68

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Solution

The fourth proportional to 234,752.40, 352,040.12 and 84,955.68 is: 127,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,752.40 : 352,040.12 = 84,955.68 : x
  2. Step 2: Convert to fraction form
    234,752.40/352,040.12 = 84,955.68/x
  3. Step 3: Cross multiply
    234,752.40x = 352,040.12 × 84,955.68
  4. Step 4: Simplify right side
    234,752.40x = 29,907,807,781.88
  5. Step 5: Solve for x
    x = 29,907,807,781.88/234,752.40
  6. Step 6: Final answer
    x = 127,401.50

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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.