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Finding the Fourth Proportional to 265,673.08, 398,595.78 and 159,040.43

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Solution

The fourth proportional to 265,673.08, 398,595.78 and 159,040.43 is: 238,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,673.08 : 398,595.78 = 159,040.43 : x
  2. Step 2: Convert to fraction form
    265,673.08/398,595.78 = 159,040.43/x
  3. Step 3: Cross multiply
    265,673.08x = 398,595.78 × 159,040.43
  4. Step 4: Simplify right side
    265,673.08x = 63,392,843,452.18
  5. Step 5: Solve for x
    x = 63,392,843,452.18/265,673.08
  6. Step 6: Final answer
    x = 238,612.22

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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.