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Finding the Fourth Proportional to 104,409, 144,084.60 and 59,697

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Solution

The fourth proportional to 104,409, 144,084.60 and 59,697 is: 82,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,409 : 144,084.60 = 59,697 : x
  2. Step 2: Convert to fraction form
    104,409/144,084.60 = 59,697/x
  3. Step 3: Cross multiply
    104,409x = 144,084.60 × 59,697
  4. Step 4: Simplify right side
    104,409x = 8,601,418,366.20
  5. Step 5: Solve for x
    x = 8,601,418,366.20/104,409
  6. Step 6: Final answer
    x = 82,381.96

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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.