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Finding the Fourth Proportional to 88,693.44, 132,784.32 and 82,465.44

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Solution

The fourth proportional to 88,693.44, 132,784.32 and 82,465.44 is: 123,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,693.44 : 132,784.32 = 82,465.44 : x
  2. Step 2: Convert to fraction form
    88,693.44/132,784.32 = 82,465.44/x
  3. Step 3: Cross multiply
    88,693.44x = 132,784.32 × 82,465.44
  4. Step 4: Simplify right side
    88,693.44x = 10,950,117,373.90
  5. Step 5: Solve for x
    x = 10,950,117,373.90/88,693.44
  6. Step 6: Final answer
    x = 123,460.28

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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.