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Finding the Fourth Proportional to 169,934.20, 254,893.20 and 57,603.40

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Solution

The fourth proportional to 169,934.20, 254,893.20 and 57,603.40 is: 86,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,934.20 : 254,893.20 = 57,603.40 : x
  2. Step 2: Convert to fraction form
    169,934.20/254,893.20 = 57,603.40/x
  3. Step 3: Cross multiply
    169,934.20x = 254,893.20 × 57,603.40
  4. Step 4: Simplify right side
    169,934.20x = 14,682,714,956.88
  5. Step 5: Solve for x
    x = 14,682,714,956.88/169,934.20
  6. Step 6: Final answer
    x = 86,402.35

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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.