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Finding the Fourth Proportional to 225,287.63, 338,047.93 and 99,016.53

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Solution

The fourth proportional to 225,287.63, 338,047.93 and 99,016.53 is: 148,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,287.63 : 338,047.93 = 99,016.53 : x
  2. Step 2: Convert to fraction form
    225,287.63/338,047.93 = 99,016.53/x
  3. Step 3: Cross multiply
    225,287.63x = 338,047.93 × 99,016.53
  4. Step 4: Simplify right side
    225,287.63x = 33,472,331,858.37
  5. Step 5: Solve for x
    x = 33,472,331,858.37/225,287.63
  6. Step 6: Final answer
    x = 148,575.99

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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.