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Finding the Fourth Proportional to 229,729.68, 344,610.98 and 61,249.12

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Solution

The fourth proportional to 229,729.68, 344,610.98 and 61,249.12 is: 91,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,729.68 : 344,610.98 = 61,249.12 : x
  2. Step 2: Convert to fraction form
    229,729.68/344,610.98 = 61,249.12/x
  3. Step 3: Cross multiply
    229,729.68x = 344,610.98 × 61,249.12
  4. Step 4: Simplify right side
    229,729.68x = 21,107,119,975.74
  5. Step 5: Solve for x
    x = 21,107,119,975.74/229,729.68
  6. Step 6: Final answer
    x = 91,878.07

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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.