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Finding the Fourth Proportional to 225,927.87, 338,655.34 and 76,116.40

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Solution

The fourth proportional to 225,927.87, 338,655.34 and 76,116.40 is: 114,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,927.87 : 338,655.34 = 76,116.40 : x
  2. Step 2: Convert to fraction form
    225,927.87/338,655.34 = 76,116.40/x
  3. Step 3: Cross multiply
    225,927.87x = 338,655.34 × 76,116.40
  4. Step 4: Simplify right side
    225,927.87x = 25,777,224,570.08
  5. Step 5: Solve for x
    x = 25,777,224,570.08/225,927.87
  6. Step 6: Final answer
    x = 114,094.93

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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.