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Finding the Fourth Proportional to 169,612.79, 254,446.52 and 51,274.22

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Solution

The fourth proportional to 169,612.79, 254,446.52 and 51,274.22 is: 76,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,612.79 : 254,446.52 = 51,274.22 : x
  2. Step 2: Convert to fraction form
    169,612.79/254,446.52 = 51,274.22/x
  3. Step 3: Cross multiply
    169,612.79x = 254,446.52 × 51,274.22
  4. Step 4: Simplify right side
    169,612.79x = 13,046,545,316.11
  5. Step 5: Solve for x
    x = 13,046,545,316.11/169,612.79
  6. Step 6: Final answer
    x = 76,919.59

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1.5x scale

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.