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Finding the Fourth Proportional to 229,241.98, 343,803.84 and 71,389.18

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Solution

The fourth proportional to 229,241.98, 343,803.84 and 71,389.18 is: 107,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,241.98 : 343,803.84 = 71,389.18 : x
  2. Step 2: Convert to fraction form
    229,241.98/343,803.84 = 71,389.18/x
  3. Step 3: Cross multiply
    229,241.98x = 343,803.84 × 71,389.18
  4. Step 4: Simplify right side
    229,241.98x = 24,543,874,218.45
  5. Step 5: Solve for x
    x = 24,543,874,218.45/229,241.98
  6. Step 6: Final answer
    x = 107,065.36

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1.5x scale

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.