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Finding the Fourth Proportional to 92,292.16, 127,372.08 and 58,756

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Solution

The fourth proportional to 92,292.16, 127,372.08 and 58,756 is: 81,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,292.16 : 127,372.08 = 58,756 : x
  2. Step 2: Convert to fraction form
    92,292.16/127,372.08 = 58,756/x
  3. Step 3: Cross multiply
    92,292.16x = 127,372.08 × 58,756
  4. Step 4: Simplify right side
    92,292.16x = 7,483,873,932.48
  5. Step 5: Solve for x
    x = 7,483,873,932.48/92,292.16
  6. Step 6: Final answer
    x = 81,088.95

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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.