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Finding the Fourth Proportional to 236,647.82, 355,143.01 and 92,574.89

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Solution

The fourth proportional to 236,647.82, 355,143.01 and 92,574.89 is: 138,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,647.82 : 355,143.01 = 92,574.89 : x
  2. Step 2: Convert to fraction form
    236,647.82/355,143.01 = 92,574.89/x
  3. Step 3: Cross multiply
    236,647.82x = 355,143.01 × 92,574.89
  4. Step 4: Simplify right side
    236,647.82x = 32,877,325,085.02
  5. Step 5: Solve for x
    x = 32,877,325,085.02/236,647.82
  6. Step 6: Final answer
    x = 138,929.34

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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.