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Finding the Fourth Proportional to 248,313.30, 342,669.18 and 146,343.11

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Solution

The fourth proportional to 248,313.30, 342,669.18 and 146,343.11 is: 201,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,313.30 : 342,669.18 = 146,343.11 : x
  2. Step 2: Convert to fraction form
    248,313.30/342,669.18 = 146,343.11/x
  3. Step 3: Cross multiply
    248,313.30x = 342,669.18 × 146,343.11
  4. Step 4: Simplify right side
    248,313.30x = 50,147,272,337.79
  5. Step 5: Solve for x
    x = 50,147,272,337.79/248,313.30
  6. Step 6: Final answer
    x = 201,951.62

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1.5x scale

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.