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Finding the Fourth Proportional to 189,953.94, 263,335.16 and 179,841.90

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Solution

The fourth proportional to 189,953.94, 263,335.16 and 179,841.90 is: 249,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,953.94 : 263,335.16 = 179,841.90 : x
  2. Step 2: Convert to fraction form
    189,953.94/263,335.16 = 179,841.90/x
  3. Step 3: Cross multiply
    189,953.94x = 263,335.16 × 179,841.90
  4. Step 4: Simplify right side
    189,953.94x = 47,358,695,511.20
  5. Step 5: Solve for x
    x = 47,358,695,511.20/189,953.94
  6. Step 6: Final answer
    x = 249,316.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.