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Finding the Fourth Proportional to 234,605.53, 351,929.01 and 66,127.28

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Solution

The fourth proportional to 234,605.53, 351,929.01 and 66,127.28 is: 99,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,605.53 : 351,929.01 = 66,127.28 : x
  2. Step 2: Convert to fraction form
    234,605.53/351,929.01 = 66,127.28/x
  3. Step 3: Cross multiply
    234,605.53x = 351,929.01 × 66,127.28
  4. Step 4: Simplify right side
    234,605.53x = 23,272,108,184.39
  5. Step 5: Solve for x
    x = 23,272,108,184.39/234,605.53
  6. Step 6: Final answer
    x = 99,196.76

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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.