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Finding the Fourth Proportional to 92,046.81, 127,026.31 and 53,809.62

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Solution

The fourth proportional to 92,046.81, 127,026.31 and 53,809.62 is: 74,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,046.81 : 127,026.31 = 53,809.62 : x
  2. Step 2: Convert to fraction form
    92,046.81/127,026.31 = 53,809.62/x
  3. Step 3: Cross multiply
    92,046.81x = 127,026.31 × 53,809.62
  4. Step 4: Simplify right side
    92,046.81x = 6,835,237,188.13
  5. Step 5: Solve for x
    x = 6,835,237,188.13/92,046.81
  6. Step 6: Final answer
    x = 74,258.28

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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.