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Finding the Fourth Proportional to 237,963.72, 356,970.19 and 80,204.48

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Solution

The fourth proportional to 237,963.72, 356,970.19 and 80,204.48 is: 120,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,963.72 : 356,970.19 = 80,204.48 : x
  2. Step 2: Convert to fraction form
    237,963.72/356,970.19 = 80,204.48/x
  3. Step 3: Cross multiply
    237,963.72x = 356,970.19 × 80,204.48
  4. Step 4: Simplify right side
    237,963.72x = 28,630,607,968.11
  5. Step 5: Solve for x
    x = 28,630,607,968.11/237,963.72
  6. Step 6: Final answer
    x = 120,315.01

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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.