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Finding the Fourth Proportional to 225,606.96, 311,338.08 and 125,004.96

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Solution

The fourth proportional to 225,606.96, 311,338.08 and 125,004.96 is: 172,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,606.96 : 311,338.08 = 125,004.96 : x
  2. Step 2: Convert to fraction form
    225,606.96/311,338.08 = 125,004.96/x
  3. Step 3: Cross multiply
    225,606.96x = 311,338.08 × 125,004.96
  4. Step 4: Simplify right side
    225,606.96x = 38,918,804,236.88
  5. Step 5: Solve for x
    x = 38,918,804,236.88/225,606.96
  6. Step 6: Final answer
    x = 172,507.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.