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Finding the Fourth Proportional to 92,615.94, 138,923.73 and 22,495.32

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Solution

The fourth proportional to 92,615.94, 138,923.73 and 22,495.32 is: 33,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.94 : 138,923.73 = 22,495.32 : x
  2. Step 2: Convert to fraction form
    92,615.94/138,923.73 = 22,495.32/x
  3. Step 3: Cross multiply
    92,615.94x = 138,923.73 × 22,495.32
  4. Step 4: Simplify right side
    92,615.94x = 3,125,133,761.94
  5. Step 5: Solve for x
    x = 3,125,133,761.94/92,615.94
  6. Step 6: Final answer
    x = 33,742.94

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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.