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Finding the Fourth Proportional to 125,843.10, 173,663.50 and 69,254.46

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Solution

The fourth proportional to 125,843.10, 173,663.50 and 69,254.46 is: 95,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,843.10 : 173,663.50 = 69,254.46 : x
  2. Step 2: Convert to fraction form
    125,843.10/173,663.50 = 69,254.46/x
  3. Step 3: Cross multiply
    125,843.10x = 173,663.50 × 69,254.46
  4. Step 4: Simplify right side
    125,843.10x = 12,026,971,914.21
  5. Step 5: Solve for x
    x = 12,026,971,914.21/125,843.10
  6. Step 6: Final answer
    x = 95,571.17

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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.