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Finding the Fourth Proportional to 292,299.02, 403,391.31 and 164,928.14

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Solution

The fourth proportional to 292,299.02, 403,391.31 and 164,928.14 is: 227,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,299.02 : 403,391.31 = 164,928.14 : x
  2. Step 2: Convert to fraction form
    292,299.02/403,391.31 = 164,928.14/x
  3. Step 3: Cross multiply
    292,299.02x = 403,391.31 × 164,928.14
  4. Step 4: Simplify right side
    292,299.02x = 66,530,578,450.46
  5. Step 5: Solve for x
    x = 66,530,578,450.46/292,299.02
  6. Step 6: Final answer
    x = 227,611.36

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Why These Related Problems?

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