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Finding the Fourth Proportional to 127,396.67, 175,809.56 and 70,038.37

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Solution

The fourth proportional to 127,396.67, 175,809.56 and 70,038.37 is: 96,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.67 : 175,809.56 = 70,038.37 : x
  2. Step 2: Convert to fraction form
    127,396.67/175,809.56 = 70,038.37/x
  3. Step 3: Cross multiply
    127,396.67x = 175,809.56 × 70,038.37
  4. Step 4: Simplify right side
    127,396.67x = 12,313,414,882.39
  5. Step 5: Solve for x
    x = 12,313,414,882.39/127,396.67
  6. Step 6: Final answer
    x = 96,654.14

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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.