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Finding the Fourth Proportional to 234,890.40, 352,400.40 and 116,565.60

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Solution

The fourth proportional to 234,890.40, 352,400.40 and 116,565.60 is: 174,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,890.40 : 352,400.40 = 116,565.60 : x
  2. Step 2: Convert to fraction form
    234,890.40/352,400.40 = 116,565.60/x
  3. Step 3: Cross multiply
    234,890.40x = 352,400.40 × 116,565.60
  4. Step 4: Simplify right side
    234,890.40x = 41,077,764,066.24
  5. Step 5: Solve for x
    x = 41,077,764,066.24/234,890.40
  6. Step 6: Final answer
    x = 174,880.56

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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.