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Finding the Fourth Proportional to 282,057.48, 422,789.04 and 92,468.40

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Solution

The fourth proportional to 282,057.48, 422,789.04 and 92,468.40 is: 138,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,057.48 : 422,789.04 = 92,468.40 : x
  2. Step 2: Convert to fraction form
    282,057.48/422,789.04 = 92,468.40/x
  3. Step 3: Cross multiply
    282,057.48x = 422,789.04 × 92,468.40
  4. Step 4: Simplify right side
    282,057.48x = 39,094,626,066.34
  5. Step 5: Solve for x
    x = 39,094,626,066.34/282,057.48
  6. Step 6: Final answer
    x = 138,605.17

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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.