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Finding the Fourth Proportional to 254,381.80, 351,048.24 and 158,943.84

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Solution

The fourth proportional to 254,381.80, 351,048.24 and 158,943.84 is: 219,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,381.80 : 351,048.24 = 158,943.84 : x
  2. Step 2: Convert to fraction form
    254,381.80/351,048.24 = 158,943.84/x
  3. Step 3: Cross multiply
    254,381.80x = 351,048.24 × 158,943.84
  4. Step 4: Simplify right side
    254,381.80x = 55,796,955,290.84
  5. Step 5: Solve for x
    x = 55,796,955,290.84/254,381.80
  6. Step 6: Final answer
    x = 219,343.35

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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.