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Finding the Fourth Proportional to 127,754.37, 191,668.95 and 37,799.46

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Solution

The fourth proportional to 127,754.37, 191,668.95 and 37,799.46 is: 56,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754.37 : 191,668.95 = 37,799.46 : x
  2. Step 2: Convert to fraction form
    127,754.37/191,668.95 = 37,799.46/x
  3. Step 3: Cross multiply
    127,754.37x = 191,668.95 × 37,799.46
  4. Step 4: Simplify right side
    127,754.37x = 7,244,982,808.77
  5. Step 5: Solve for x
    x = 7,244,982,808.77/127,754.37
  6. Step 6: Final answer
    x = 56,710.25

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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.