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Finding the Fourth Proportional to 234,835.74, 352,252.40 and 57,343.68

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Solution

The fourth proportional to 234,835.74, 352,252.40 and 57,343.68 is: 86,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,835.74 : 352,252.40 = 57,343.68 : x
  2. Step 2: Convert to fraction form
    234,835.74/352,252.40 = 57,343.68/x
  3. Step 3: Cross multiply
    234,835.74x = 352,252.40 × 57,343.68
  4. Step 4: Simplify right side
    234,835.74x = 20,199,448,618.11
  5. Step 5: Solve for x
    x = 20,199,448,618.11/234,835.74
  6. Step 6: Final answer
    x = 86,015.22

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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.