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Finding the Fourth Proportional to 234,890.19, 352,291.01 and 66,409.19

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Solution

The fourth proportional to 234,890.19, 352,291.01 and 66,409.19 is: 99,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,890.19 : 352,291.01 = 66,409.19 : x
  2. Step 2: Convert to fraction form
    234,890.19/352,291.01 = 66,409.19/x
  3. Step 3: Cross multiply
    234,890.19x = 352,291.01 × 66,409.19
  4. Step 4: Simplify right side
    234,890.19x = 23,395,358,524.88
  5. Step 5: Solve for x
    x = 23,395,358,524.88/234,890.19
  6. Step 6: Final answer
    x = 99,601.26

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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.