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Finding the Fourth Proportional to 92,095.92, 137,910.60 and 56,928.96

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Solution

The fourth proportional to 92,095.92, 137,910.60 and 56,928.96 is: 85,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,095.92 : 137,910.60 = 56,928.96 : x
  2. Step 2: Convert to fraction form
    92,095.92/137,910.60 = 56,928.96/x
  3. Step 3: Cross multiply
    92,095.92x = 137,910.60 × 56,928.96
  4. Step 4: Simplify right side
    92,095.92x = 7,851,107,030.98
  5. Step 5: Solve for x
    x = 7,851,107,030.98/92,095.92
  6. Step 6: Final answer
    x = 85,249.24

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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.