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Finding the Fourth Proportional to 92,694.71, 127,913.58 and 52,405.92

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Solution

The fourth proportional to 92,694.71, 127,913.58 and 52,405.92 is: 72,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.71 : 127,913.58 = 52,405.92 : x
  2. Step 2: Convert to fraction form
    92,694.71/127,913.58 = 52,405.92/x
  3. Step 3: Cross multiply
    92,694.71x = 127,913.58 × 52,405.92
  4. Step 4: Simplify right side
    92,694.71x = 6,703,428,840.39
  5. Step 5: Solve for x
    x = 6,703,428,840.39/92,694.71
  6. Step 6: Final answer
    x = 72,317.27

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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.