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Finding the Fourth Proportional to 92,616.36, 138,923.46 and 22,495.74

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Solution

The fourth proportional to 92,616.36, 138,923.46 and 22,495.74 is: 33,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,616.36 : 138,923.46 = 22,495.74 : x
  2. Step 2: Convert to fraction form
    92,616.36/138,923.46 = 22,495.74/x
  3. Step 3: Cross multiply
    92,616.36x = 138,923.46 × 22,495.74
  4. Step 4: Simplify right side
    92,616.36x = 3,125,186,036.06
  5. Step 5: Solve for x
    x = 3,125,186,036.06/92,616.36
  6. Step 6: Final answer
    x = 33,743.35

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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.