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Finding the Fourth Proportional to 169,247.58, 253,874.97 and 56,931.18

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Solution

The fourth proportional to 169,247.58, 253,874.97 and 56,931.18 is: 85,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,247.58 : 253,874.97 = 56,931.18 : x
  2. Step 2: Convert to fraction form
    169,247.58/253,874.97 = 56,931.18/x
  3. Step 3: Cross multiply
    169,247.58x = 253,874.97 × 56,931.18
  4. Step 4: Simplify right side
    169,247.58x = 14,453,401,614.56
  5. Step 5: Solve for x
    x = 14,453,401,614.56/169,247.58
  6. Step 6: Final answer
    x = 85,397.98

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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.