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Finding the Fourth Proportional to 60,239.40, 82,944.80 and 53,513.36

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Solution

The fourth proportional to 60,239.40, 82,944.80 and 53,513.36 is: 73,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,239.40 : 82,944.80 = 53,513.36 : x
  2. Step 2: Convert to fraction form
    60,239.40/82,944.80 = 53,513.36/x
  3. Step 3: Cross multiply
    60,239.40x = 82,944.80 × 53,513.36
  4. Step 4: Simplify right side
    60,239.40x = 4,438,654,942.53
  5. Step 5: Solve for x
    x = 4,438,654,942.53/60,239.40
  6. Step 6: Final answer
    x = 73,683.58

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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.