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Finding the Fourth Proportional to 92,175.71, 127,204.83 and 51,890.90

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Solution

The fourth proportional to 92,175.71, 127,204.83 and 51,890.90 is: 71,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,175.71 : 127,204.83 = 51,890.90 : x
  2. Step 2: Convert to fraction form
    92,175.71/127,204.83 = 51,890.90/x
  3. Step 3: Cross multiply
    92,175.71x = 127,204.83 × 51,890.90
  4. Step 4: Simplify right side
    92,175.71x = 6,600,772,477.02
  5. Step 5: Solve for x
    x = 6,600,772,477.02/92,175.71
  6. Step 6: Final answer
    x = 71,610.76

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1.5x scale

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.