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Finding the Fourth Proportional to 163,339.34, 245,043.63 and 58,158

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Solution

The fourth proportional to 163,339.34, 245,043.63 and 58,158 is: 87,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,339.34 : 245,043.63 = 58,158 : x
  2. Step 2: Convert to fraction form
    163,339.34/245,043.63 = 58,158/x
  3. Step 3: Cross multiply
    163,339.34x = 245,043.63 × 58,158
  4. Step 4: Simplify right side
    163,339.34x = 14,251,247,433.54
  5. Step 5: Solve for x
    x = 14,251,247,433.54/163,339.34
  6. Step 6: Final answer
    x = 87,249.33

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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.