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Finding the Fourth Proportional to 237,960.77, 357,257.93 and 138,192.57

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Solution

The fourth proportional to 237,960.77, 357,257.93 and 138,192.57 is: 207,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,960.77 : 357,257.93 = 138,192.57 : x
  2. Step 2: Convert to fraction form
    237,960.77/357,257.93 = 138,192.57/x
  3. Step 3: Cross multiply
    237,960.77x = 357,257.93 × 138,192.57
  4. Step 4: Simplify right side
    237,960.77x = 49,370,390,808.62
  5. Step 5: Solve for x
    x = 49,370,390,808.62/237,960.77
  6. Step 6: Final answer
    x = 207,472.82

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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.