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Finding the Fourth Proportional to 235,214.40, 352,562.40 and 130,108.80

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Solution

The fourth proportional to 235,214.40, 352,562.40 and 130,108.80 is: 195,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,214.40 : 352,562.40 = 130,108.80 : x
  2. Step 2: Convert to fraction form
    235,214.40/352,562.40 = 130,108.80/x
  3. Step 3: Cross multiply
    235,214.40x = 352,562.40 × 130,108.80
  4. Step 4: Simplify right side
    235,214.40x = 45,871,470,789.12
  5. Step 5: Solve for x
    x = 45,871,470,789.12/235,214.40
  6. Step 6: Final answer
    x = 195,019.82

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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.