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Finding the Fourth Proportional to 225,019.80, 337,530.02 and 91,900.08

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Solution

The fourth proportional to 225,019.80, 337,530.02 and 91,900.08 is: 137,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,019.80 : 337,530.02 = 91,900.08 : x
  2. Step 2: Convert to fraction form
    225,019.80/337,530.02 = 91,900.08/x
  3. Step 3: Cross multiply
    225,019.80x = 337,530.02 × 91,900.08
  4. Step 4: Simplify right side
    225,019.80x = 31,019,035,840.40
  5. Step 5: Solve for x
    x = 31,019,035,840.40/225,019.80
  6. Step 6: Final answer
    x = 137,850.25

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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.