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Finding the Fourth Proportional to 237,420.02, 356,148.47 and 68,943.12

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Solution

The fourth proportional to 237,420.02, 356,148.47 and 68,943.12 is: 103,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,420.02 : 356,148.47 = 68,943.12 : x
  2. Step 2: Convert to fraction form
    237,420.02/356,148.47 = 68,943.12/x
  3. Step 3: Cross multiply
    237,420.02x = 356,148.47 × 68,943.12
  4. Step 4: Simplify right side
    237,420.02x = 24,553,988,212.94
  5. Step 5: Solve for x
    x = 24,553,988,212.94/237,420.02
  6. Step 6: Final answer
    x = 103,420.04

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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.