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Finding the Fourth Proportional to 237,870.57, 356,935.05 and 138,102.48

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Solution

The fourth proportional to 237,870.57, 356,935.05 and 138,102.48 is: 207,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,870.57 : 356,935.05 = 138,102.48 : x
  2. Step 2: Convert to fraction form
    237,870.57/356,935.05 = 138,102.48/x
  3. Step 3: Cross multiply
    237,870.57x = 356,935.05 × 138,102.48
  4. Step 4: Simplify right side
    237,870.57x = 49,293,615,603.92
  5. Step 5: Solve for x
    x = 49,293,615,603.92/237,870.57
  6. Step 6: Final answer
    x = 207,228.73

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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.