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Finding the Fourth Proportional to 61,398.81, 92,044.35 and 50,955.48

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Solution

The fourth proportional to 61,398.81, 92,044.35 and 50,955.48 is: 76,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.81 : 92,044.35 = 50,955.48 : x
  2. Step 2: Convert to fraction form
    61,398.81/92,044.35 = 50,955.48/x
  3. Step 3: Cross multiply
    61,398.81x = 92,044.35 × 50,955.48
  4. Step 4: Simplify right side
    61,398.81x = 4,690,164,035.54
  5. Step 5: Solve for x
    x = 4,690,164,035.54/61,398.81
  6. Step 6: Final answer
    x = 76,388.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.