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Finding the Fourth Proportional to 241,331.20, 361,996.80 and 101,075.20

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Solution

The fourth proportional to 241,331.20, 361,996.80 and 101,075.20 is: 151,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,331.20 : 361,996.80 = 101,075.20 : x
  2. Step 2: Convert to fraction form
    241,331.20/361,996.80 = 101,075.20/x
  3. Step 3: Cross multiply
    241,331.20x = 361,996.80 × 101,075.20
  4. Step 4: Simplify right side
    241,331.20x = 36,588,898,959.36
  5. Step 5: Solve for x
    x = 36,588,898,959.36/241,331.20
  6. Step 6: Final answer
    x = 151,612.80

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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.