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Finding the Fourth Proportional to 245,370.25, 338,479.72 and 164,659.02

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Solution

The fourth proportional to 245,370.25, 338,479.72 and 164,659.02 is: 227,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,370.25 : 338,479.72 = 164,659.02 : x
  2. Step 2: Convert to fraction form
    245,370.25/338,479.72 = 164,659.02/x
  3. Step 3: Cross multiply
    245,370.25x = 338,479.72 × 164,659.02
  4. Step 4: Simplify right side
    245,370.25x = 55,733,738,985.07
  5. Step 5: Solve for x
    x = 55,733,738,985.07/245,370.25
  6. Step 6: Final answer
    x = 227,141.39

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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.