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Finding the Fourth Proportional to 248,381.67, 342,811.43 and 146,401.17

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Solution

The fourth proportional to 248,381.67, 342,811.43 and 146,401.17 is: 202,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,381.67 : 342,811.43 = 146,401.17 : x
  2. Step 2: Convert to fraction form
    248,381.67/342,811.43 = 146,401.17/x
  3. Step 3: Cross multiply
    248,381.67x = 342,811.43 × 146,401.17
  4. Step 4: Simplify right side
    248,381.67x = 50,187,995,794.97
  5. Step 5: Solve for x
    x = 50,187,995,794.97/248,381.67
  6. Step 6: Final answer
    x = 202,059.98

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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.