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Finding the Fourth Proportional to 92,386.69, 127,493.93 and 49,945.52

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Solution

The fourth proportional to 92,386.69, 127,493.93 and 49,945.52 is: 68,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,386.69 : 127,493.93 = 49,945.52 : x
  2. Step 2: Convert to fraction form
    92,386.69/127,493.93 = 49,945.52/x
  3. Step 3: Cross multiply
    92,386.69x = 127,493.93 × 49,945.52
  4. Step 4: Simplify right side
    92,386.69x = 6,367,751,074.29
  5. Step 5: Solve for x
    x = 6,367,751,074.29/92,386.69
  6. Step 6: Final answer
    x = 68,924.99

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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.