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Finding the Fourth Proportional to 136,523.22, 204,752.03 and 69,929.07

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Solution

The fourth proportional to 136,523.22, 204,752.03 and 69,929.07 is: 104,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,523.22 : 204,752.03 = 69,929.07 : x
  2. Step 2: Convert to fraction form
    136,523.22/204,752.03 = 69,929.07/x
  3. Step 3: Cross multiply
    136,523.22x = 204,752.03 × 69,929.07
  4. Step 4: Simplify right side
    136,523.22x = 14,318,119,269.45
  5. Step 5: Solve for x
    x = 14,318,119,269.45/136,523.22
  6. Step 6: Final answer
    x = 104,876.80

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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.