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Finding the Fourth Proportional to 169,640.70, 254,461.05 and 44,981.70

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Solution

The fourth proportional to 169,640.70, 254,461.05 and 44,981.70 is: 67,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,640.70 : 254,461.05 = 44,981.70 : x
  2. Step 2: Convert to fraction form
    169,640.70/254,461.05 = 44,981.70/x
  3. Step 3: Cross multiply
    169,640.70x = 254,461.05 × 44,981.70
  4. Step 4: Simplify right side
    169,640.70x = 11,446,090,612.79
  5. Step 5: Solve for x
    x = 11,446,090,612.79/169,640.70
  6. Step 6: Final answer
    x = 67,472.55

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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.