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Finding the Fourth Proportional to 92,264.74, 127,325.73 and 51,978.99

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Solution

The fourth proportional to 92,264.74, 127,325.73 and 51,978.99 is: 71,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,264.74 : 127,325.73 = 51,978.99 : x
  2. Step 2: Convert to fraction form
    92,264.74/127,325.73 = 51,978.99/x
  3. Step 3: Cross multiply
    92,264.74x = 127,325.73 × 51,978.99
  4. Step 4: Simplify right side
    92,264.74x = 6,618,262,209.78
  5. Step 5: Solve for x
    x = 6,618,262,209.78/92,264.74
  6. Step 6: Final answer
    x = 71,731.22

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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.