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Finding the Fourth Proportional to 92,392.48, 127,501.58 and 49,951

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Solution

The fourth proportional to 92,392.48, 127,501.58 and 49,951 is: 68,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,392.48 : 127,501.58 = 49,951 : x
  2. Step 2: Convert to fraction form
    92,392.48/127,501.58 = 49,951/x
  3. Step 3: Cross multiply
    92,392.48x = 127,501.58 × 49,951
  4. Step 4: Simplify right side
    92,392.48x = 6,368,831,422.58
  5. Step 5: Solve for x
    x = 6,368,831,422.58/92,392.48
  6. Step 6: Final answer
    x = 68,932.36

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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.