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Finding the Fourth Proportional to 245,040.96, 338,284.96 and 164,889.92

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Solution

The fourth proportional to 245,040.96, 338,284.96 and 164,889.92 is: 227,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,040.96 : 338,284.96 = 164,889.92 : x
  2. Step 2: Convert to fraction form
    245,040.96/338,284.96 = 164,889.92/x
  3. Step 3: Cross multiply
    245,040.96x = 338,284.96 × 164,889.92
  4. Step 4: Simplify right side
    245,040.96x = 55,779,779,991.60
  5. Step 5: Solve for x
    x = 55,779,779,991.60/245,040.96
  6. Step 6: Final answer
    x = 227,634.51

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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.