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Finding the Fourth Proportional to 119,341.81, 179,012.72 and 56,822.77

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Solution

The fourth proportional to 119,341.81, 179,012.72 and 56,822.77 is: 85,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,341.81 : 179,012.72 = 56,822.77 : x
  2. Step 2: Convert to fraction form
    119,341.81/179,012.72 = 56,822.77/x
  3. Step 3: Cross multiply
    119,341.81x = 179,012.72 × 56,822.77
  4. Step 4: Simplify right side
    119,341.81x = 10,171,998,615.63
  5. Step 5: Solve for x
    x = 10,171,998,615.63/119,341.81
  6. Step 6: Final answer
    x = 85,234.16

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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.