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Finding the Fourth Proportional to 225,658.36, 338,489.70 and 107,341.48

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Solution

The fourth proportional to 225,658.36, 338,489.70 and 107,341.48 is: 161,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,658.36 : 338,489.70 = 107,341.48 : x
  2. Step 2: Convert to fraction form
    225,658.36/338,489.70 = 107,341.48/x
  3. Step 3: Cross multiply
    225,658.36x = 338,489.70 × 107,341.48
  4. Step 4: Simplify right side
    225,658.36x = 36,333,985,362.76
  5. Step 5: Solve for x
    x = 36,333,985,362.76/225,658.36
  6. Step 6: Final answer
    x = 161,013.25

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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.