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Finding the Fourth Proportional to 277,542.78, 416,328.92 and 88,018.08

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Solution

The fourth proportional to 277,542.78, 416,328.92 and 88,018.08 is: 132,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,542.78 : 416,328.92 = 88,018.08 : x
  2. Step 2: Convert to fraction form
    277,542.78/416,328.92 = 88,018.08/x
  3. Step 3: Cross multiply
    277,542.78x = 416,328.92 × 88,018.08
  4. Step 4: Simplify right side
    277,542.78x = 36,644,471,746.78
  5. Step 5: Solve for x
    x = 36,644,471,746.78/277,542.78
  6. Step 6: Final answer
    x = 132,031.80

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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.