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Finding the Fourth Proportional to 248,455.89, 342,882.86 and 146,541.11

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Solution

The fourth proportional to 248,455.89, 342,882.86 and 146,541.11 is: 202,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,455.89 : 342,882.86 = 146,541.11 : x
  2. Step 2: Convert to fraction form
    248,455.89/342,882.86 = 146,541.11/x
  3. Step 3: Cross multiply
    248,455.89x = 342,882.86 × 146,541.11
  4. Step 4: Simplify right side
    248,455.89x = 50,246,432,457.25
  5. Step 5: Solve for x
    x = 50,246,432,457.25/248,455.89
  6. Step 6: Final answer
    x = 202,234.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.