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Finding the Fourth Proportional to 225,554.66, 338,226.06 and 130,811.80

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Solution

The fourth proportional to 225,554.66, 338,226.06 and 130,811.80 is: 196,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,554.66 : 338,226.06 = 130,811.80 : x
  2. Step 2: Convert to fraction form
    225,554.66/338,226.06 = 130,811.80/x
  3. Step 3: Cross multiply
    225,554.66x = 338,226.06 × 130,811.80
  4. Step 4: Simplify right side
    225,554.66x = 44,243,959,715.51
  5. Step 5: Solve for x
    x = 44,243,959,715.51/225,554.66
  6. Step 6: Final answer
    x = 196,156.27

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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.