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Finding the Fourth Proportional to 236,127.61, 354,097.44 and 86,333.77

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Solution

The fourth proportional to 236,127.61, 354,097.44 and 86,333.77 is: 129,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,127.61 : 354,097.44 = 86,333.77 : x
  2. Step 2: Convert to fraction form
    236,127.61/354,097.44 = 86,333.77/x
  3. Step 3: Cross multiply
    236,127.61x = 354,097.44 × 86,333.77
  4. Step 4: Simplify right side
    236,127.61x = 30,570,566,942.55
  5. Step 5: Solve for x
    x = 30,570,566,942.55/236,127.61
  6. Step 6: Final answer
    x = 129,466.30

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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.