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Finding the Fourth Proportional to 127,599.44, 191,427.82 and 38,859.96

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Solution

The fourth proportional to 127,599.44, 191,427.82 and 38,859.96 is: 58,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.44 : 191,427.82 = 38,859.96 : x
  2. Step 2: Convert to fraction form
    127,599.44/191,427.82 = 38,859.96/x
  3. Step 3: Cross multiply
    127,599.44x = 191,427.82 × 38,859.96
  4. Step 4: Simplify right side
    127,599.44x = 7,438,877,428.09
  5. Step 5: Solve for x
    x = 7,438,877,428.09/127,599.44
  6. Step 6: Final answer
    x = 58,298.67

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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.