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Finding the Fourth Proportional to 92,357.69, 127,451.07 and 52,071.10

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Solution

The fourth proportional to 92,357.69, 127,451.07 and 52,071.10 is: 71,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,357.69 : 127,451.07 = 52,071.10 : x
  2. Step 2: Convert to fraction form
    92,357.69/127,451.07 = 52,071.10/x
  3. Step 3: Cross multiply
    92,357.69x = 127,451.07 × 52,071.10
  4. Step 4: Simplify right side
    92,357.69x = 6,636,517,809.36
  5. Step 5: Solve for x
    x = 6,636,517,809.36/92,357.69
  6. Step 6: Final answer
    x = 71,856.69

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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.