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Finding the Fourth Proportional to 92,091.93, 127,098.11 and 51,807.39

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Solution

The fourth proportional to 92,091.93, 127,098.11 and 51,807.39 is: 71,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.93 : 127,098.11 = 51,807.39 : x
  2. Step 2: Convert to fraction form
    92,091.93/127,098.11 = 51,807.39/x
  3. Step 3: Cross multiply
    92,091.93x = 127,098.11 × 51,807.39
  4. Step 4: Simplify right side
    92,091.93x = 6,584,621,094.00
  5. Step 5: Solve for x
    x = 6,584,621,094.00/92,091.93
  6. Step 6: Final answer
    x = 71,500.52

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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.