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Finding the Fourth Proportional to 237,515.32, 356,264.34 and 71,299

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Solution

The fourth proportional to 237,515.32, 356,264.34 and 71,299 is: 106,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,515.32 : 356,264.34 = 71,299 : x
  2. Step 2: Convert to fraction form
    237,515.32/356,264.34 = 71,299/x
  3. Step 3: Cross multiply
    237,515.32x = 356,264.34 × 71,299
  4. Step 4: Simplify right side
    237,515.32x = 25,401,291,177.66
  5. Step 5: Solve for x
    x = 25,401,291,177.66/237,515.32
  6. Step 6: Final answer
    x = 106,945.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.