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Finding the Fourth Proportional to 122,483.10, 169,026.75 and 68,773.26

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Solution

The fourth proportional to 122,483.10, 169,026.75 and 68,773.26 is: 94,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,483.10 : 169,026.75 = 68,773.26 : x
  2. Step 2: Convert to fraction form
    122,483.10/169,026.75 = 68,773.26/x
  3. Step 3: Cross multiply
    122,483.10x = 169,026.75 × 68,773.26
  4. Step 4: Simplify right side
    122,483.10x = 11,624,520,624.71
  5. Step 5: Solve for x
    x = 11,624,520,624.71/122,483.10
  6. Step 6: Final answer
    x = 94,907.14

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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.