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Finding the Fourth Proportional to 79,195.58, 109,248.44 and 48,971.24

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Solution

The fourth proportional to 79,195.58, 109,248.44 and 48,971.24 is: 67,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.58 : 109,248.44 = 48,971.24 : x
  2. Step 2: Convert to fraction form
    79,195.58/109,248.44 = 48,971.24/x
  3. Step 3: Cross multiply
    79,195.58x = 109,248.44 × 48,971.24
  4. Step 4: Simplify right side
    79,195.58x = 5,350,031,574.87
  5. Step 5: Solve for x
    x = 5,350,031,574.87/79,195.58
  6. Step 6: Final answer
    x = 67,554.67

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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.