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Finding the Fourth Proportional to 92,164.04, 138,246 and 52,693.47

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Solution

The fourth proportional to 92,164.04, 138,246 and 52,693.47 is: 79,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,164.04 : 138,246 = 52,693.47 : x
  2. Step 2: Convert to fraction form
    92,164.04/138,246 = 52,693.47/x
  3. Step 3: Cross multiply
    92,164.04x = 138,246 × 52,693.47
  4. Step 4: Simplify right side
    92,164.04x = 7,284,661,453.62
  5. Step 5: Solve for x
    x = 7,284,661,453.62/92,164.04
  6. Step 6: Final answer
    x = 79,040.17

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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.