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Finding the Fourth Proportional to 225,460.56, 338,030.64 and 113,059.68

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Solution

The fourth proportional to 225,460.56, 338,030.64 and 113,059.68 is: 169,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,460.56 : 338,030.64 = 113,059.68 : x
  2. Step 2: Convert to fraction form
    225,460.56/338,030.64 = 113,059.68/x
  3. Step 3: Cross multiply
    225,460.56x = 338,030.64 × 113,059.68
  4. Step 4: Simplify right side
    225,460.56x = 38,217,635,988.60
  5. Step 5: Solve for x
    x = 38,217,635,988.60/225,460.56
  6. Step 6: Final answer
    x = 169,509.19

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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.