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Finding the Fourth Proportional to 235,871.42, 353,511.77 and 185,753.58

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Solution

The fourth proportional to 235,871.42, 353,511.77 and 185,753.58 is: 278,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,871.42 : 353,511.77 = 185,753.58 : x
  2. Step 2: Convert to fraction form
    235,871.42/353,511.77 = 185,753.58/x
  3. Step 3: Cross multiply
    235,871.42x = 353,511.77 × 185,753.58
  4. Step 4: Simplify right side
    235,871.42x = 65,666,077,314.02
  5. Step 5: Solve for x
    x = 65,666,077,314.02/235,871.42
  6. Step 6: Final answer
    x = 278,397.78

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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.