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Finding the Fourth Proportional to 237,806.70, 328,171.95 and 130,381.26

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Solution

The fourth proportional to 237,806.70, 328,171.95 and 130,381.26 is: 179,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,806.70 : 328,171.95 = 130,381.26 : x
  2. Step 2: Convert to fraction form
    237,806.70/328,171.95 = 130,381.26/x
  3. Step 3: Cross multiply
    237,806.70x = 328,171.95 × 130,381.26
  4. Step 4: Simplify right side
    237,806.70x = 42,787,472,337.66
  5. Step 5: Solve for x
    x = 42,787,472,337.66/237,806.70
  6. Step 6: Final answer
    x = 179,925.43

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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.