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Finding the Fourth Proportional to 234,750.40, 352,125.60 and 108,390.40

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Solution

The fourth proportional to 234,750.40, 352,125.60 and 108,390.40 is: 162,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,750.40 : 352,125.60 = 108,390.40 : x
  2. Step 2: Convert to fraction form
    234,750.40/352,125.60 = 108,390.40/x
  3. Step 3: Cross multiply
    234,750.40x = 352,125.60 × 108,390.40
  4. Step 4: Simplify right side
    234,750.40x = 38,167,034,634.24
  5. Step 5: Solve for x
    x = 38,167,034,634.24/234,750.40
  6. Step 6: Final answer
    x = 162,585.60

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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.