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Finding the Fourth Proportional to 92,288.16, 127,366.56 and 58,752

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Solution

The fourth proportional to 92,288.16, 127,366.56 and 58,752 is: 81,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,288.16 : 127,366.56 = 58,752 : x
  2. Step 2: Convert to fraction form
    92,288.16/127,366.56 = 58,752/x
  3. Step 3: Cross multiply
    92,288.16x = 127,366.56 × 58,752
  4. Step 4: Simplify right side
    92,288.16x = 7,483,040,133.12
  5. Step 5: Solve for x
    x = 7,483,040,133.12/92,288.16
  6. Step 6: Final answer
    x = 81,083.43

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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.