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Finding the Fourth Proportional to 237,395.70, 356,097.21 and 77,470.98

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Solution

The fourth proportional to 237,395.70, 356,097.21 and 77,470.98 is: 116,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,395.70 : 356,097.21 = 77,470.98 : x
  2. Step 2: Convert to fraction form
    237,395.70/356,097.21 = 77,470.98/x
  3. Step 3: Cross multiply
    237,395.70x = 356,097.21 × 77,470.98
  4. Step 4: Simplify right side
    237,395.70x = 27,587,199,833.97
  5. Step 5: Solve for x
    x = 27,587,199,833.97/237,395.70
  6. Step 6: Final answer
    x = 116,207.66

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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.