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Finding the Fourth Proportional to 92,097.81, 127,026.83 and 63,426.65

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Solution

The fourth proportional to 92,097.81, 127,026.83 and 63,426.65 is: 87,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,097.81 : 127,026.83 = 63,426.65 : x
  2. Step 2: Convert to fraction form
    92,097.81/127,026.83 = 63,426.65/x
  3. Step 3: Cross multiply
    92,097.81x = 127,026.83 × 63,426.65
  4. Step 4: Simplify right side
    92,097.81x = 8,056,885,810.45
  5. Step 5: Solve for x
    x = 8,056,885,810.45/92,097.81
  6. Step 6: Final answer
    x = 87,481.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.