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Finding the Fourth Proportional to 236,262.40, 353,810.40 and 156,947.20

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Solution

The fourth proportional to 236,262.40, 353,810.40 and 156,947.20 is: 235,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,262.40 : 353,810.40 = 156,947.20 : x
  2. Step 2: Convert to fraction form
    236,262.40/353,810.40 = 156,947.20/x
  3. Step 3: Cross multiply
    236,262.40x = 353,810.40 × 156,947.20
  4. Step 4: Simplify right side
    236,262.40x = 55,529,551,610.88
  5. Step 5: Solve for x
    x = 55,529,551,610.88/236,262.40
  6. Step 6: Final answer
    x = 235,033.38

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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.