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Finding the Fourth Proportional to 255,264.54, 352,239.60 and 147,869.10

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Solution

The fourth proportional to 255,264.54, 352,239.60 and 147,869.10 is: 204,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,264.54 : 352,239.60 = 147,869.10 : x
  2. Step 2: Convert to fraction form
    255,264.54/352,239.60 = 147,869.10/x
  3. Step 3: Cross multiply
    255,264.54x = 352,239.60 × 147,869.10
  4. Step 4: Simplify right side
    255,264.54x = 52,085,352,636.36
  5. Step 5: Solve for x
    x = 52,085,352,636.36/255,264.54
  6. Step 6: Final answer
    x = 204,044.61

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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.