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Finding the Fourth Proportional to 92,453, 138,702.54 and 26,789

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Solution

The fourth proportional to 92,453, 138,702.54 and 26,789 is: 40,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,453 : 138,702.54 = 26,789 : x
  2. Step 2: Convert to fraction form
    92,453/138,702.54 = 26,789/x
  3. Step 3: Cross multiply
    92,453x = 138,702.54 × 26,789
  4. Step 4: Simplify right side
    92,453x = 3,715,702,344.06
  5. Step 5: Solve for x
    x = 3,715,702,344.06/92,453
  6. Step 6: Final answer
    x = 40,190.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.