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Finding the Fourth Proportional to 92,058.51, 127,046.94 and 69,357.45

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Solution

The fourth proportional to 92,058.51, 127,046.94 and 69,357.45 is: 95,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,058.51 : 127,046.94 = 69,357.45 : x
  2. Step 2: Convert to fraction form
    92,058.51/127,046.94 = 69,357.45/x
  3. Step 3: Cross multiply
    92,058.51x = 127,046.94 × 69,357.45
  4. Step 4: Simplify right side
    92,058.51x = 8,811,651,788.70
  5. Step 5: Solve for x
    x = 8,811,651,788.70/92,058.51
  6. Step 6: Final answer
    x = 95,717.95

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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.