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Finding the Fourth Proportional to 169,234.16, 253,672.60 and 56,807.76

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Solution

The fourth proportional to 169,234.16, 253,672.60 and 56,807.76 is: 85,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,234.16 : 253,672.60 = 56,807.76 : x
  2. Step 2: Convert to fraction form
    169,234.16/253,672.60 = 56,807.76/x
  3. Step 3: Cross multiply
    169,234.16x = 253,672.60 × 56,807.76
  4. Step 4: Simplify right side
    169,234.16x = 14,410,572,179.38
  5. Step 5: Solve for x
    x = 14,410,572,179.38/169,234.16
  6. Step 6: Final answer
    x = 85,151.67

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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.