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Finding the Fourth Proportional to 171,602.39, 236,826.92 and 103,653.11

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Solution

The fourth proportional to 171,602.39, 236,826.92 and 103,653.11 is: 143,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,602.39 : 236,826.92 = 103,653.11 : x
  2. Step 2: Convert to fraction form
    171,602.39/236,826.92 = 103,653.11/x
  3. Step 3: Cross multiply
    171,602.39x = 236,826.92 × 103,653.11
  4. Step 4: Simplify right side
    171,602.39x = 24,547,846,789.72
  5. Step 5: Solve for x
    x = 24,547,846,789.72/171,602.39
  6. Step 6: Final answer
    x = 143,050.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.