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Finding the Fourth Proportional to 237,510.12, 356,256.54 and 71,293.80

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Solution

The fourth proportional to 237,510.12, 356,256.54 and 71,293.80 is: 106,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,510.12 : 356,256.54 = 71,293.80 : x
  2. Step 2: Convert to fraction form
    237,510.12/356,256.54 = 71,293.80/x
  3. Step 3: Cross multiply
    237,510.12x = 356,256.54 × 71,293.80
  4. Step 4: Simplify right side
    237,510.12x = 25,398,882,511.45
  5. Step 5: Solve for x
    x = 25,398,882,511.45/237,510.12
  6. Step 6: Final answer
    x = 106,938.11

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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.