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Finding the Fourth Proportional to 272,885.16, 408,983.94 and 146,211.24

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Solution

The fourth proportional to 272,885.16, 408,983.94 and 146,211.24 is: 219,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,885.16 : 408,983.94 = 146,211.24 : x
  2. Step 2: Convert to fraction form
    272,885.16/408,983.94 = 146,211.24/x
  3. Step 3: Cross multiply
    272,885.16x = 408,983.94 × 146,211.24
  4. Step 4: Simplify right side
    272,885.16x = 59,798,049,007.49
  5. Step 5: Solve for x
    x = 59,798,049,007.49/272,885.16
  6. Step 6: Final answer
    x = 219,132.65

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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.