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Finding the Fourth Proportional to 169,479.34, 254,220.72 and 51,151.66

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Solution

The fourth proportional to 169,479.34, 254,220.72 and 51,151.66 is: 76,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,479.34 : 254,220.72 = 51,151.66 : x
  2. Step 2: Convert to fraction form
    169,479.34/254,220.72 = 51,151.66/x
  3. Step 3: Cross multiply
    169,479.34x = 254,220.72 × 51,151.66
  4. Step 4: Simplify right side
    169,479.34x = 13,003,811,834.40
  5. Step 5: Solve for x
    x = 13,003,811,834.40/169,479.34
  6. Step 6: Final answer
    x = 76,728.01

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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.