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Finding the Fourth Proportional to 225,018.80, 337,528.52 and 91,899.08

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Solution

The fourth proportional to 225,018.80, 337,528.52 and 91,899.08 is: 137,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,018.80 : 337,528.52 = 91,899.08 : x
  2. Step 2: Convert to fraction form
    225,018.80/337,528.52 = 91,899.08/x
  3. Step 3: Cross multiply
    225,018.80x = 337,528.52 × 91,899.08
  4. Step 4: Simplify right side
    225,018.80x = 31,018,560,461.76
  5. Step 5: Solve for x
    x = 31,018,560,461.76/225,018.80
  6. Step 6: Final answer
    x = 137,848.75

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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.