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Finding the Fourth Proportional to 82,866.96, 124,252.44 and 56,603.44

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Solution

The fourth proportional to 82,866.96, 124,252.44 and 56,603.44 is: 84,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,866.96 : 124,252.44 = 56,603.44 : x
  2. Step 2: Convert to fraction form
    82,866.96/124,252.44 = 56,603.44/x
  3. Step 3: Cross multiply
    82,866.96x = 124,252.44 × 56,603.44
  4. Step 4: Simplify right side
    82,866.96x = 7,033,115,532.39
  5. Step 5: Solve for x
    x = 7,033,115,532.39/82,866.96
  6. Step 6: Final answer
    x = 84,872.37

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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.