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Finding the Fourth Proportional to 92,061.77, 126,977.22 and 56,222.30

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Solution

The fourth proportional to 92,061.77, 126,977.22 and 56,222.30 is: 77,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,061.77 : 126,977.22 = 56,222.30 : x
  2. Step 2: Convert to fraction form
    92,061.77/126,977.22 = 56,222.30/x
  3. Step 3: Cross multiply
    92,061.77x = 126,977.22 × 56,222.30
  4. Step 4: Simplify right side
    92,061.77x = 7,138,951,673.45
  5. Step 5: Solve for x
    x = 7,138,951,673.45/92,061.77
  6. Step 6: Final answer
    x = 77,545.24

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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.