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Finding the Fourth Proportional to 169,622.18, 254,254.17 and 129,553.91

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Solution

The fourth proportional to 169,622.18, 254,254.17 and 129,553.91 is: 194,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,622.18 : 254,254.17 = 129,553.91 : x
  2. Step 2: Convert to fraction form
    169,622.18/254,254.17 = 129,553.91/x
  3. Step 3: Cross multiply
    169,622.18x = 254,254.17 × 129,553.91
  4. Step 4: Simplify right side
    169,622.18x = 32,939,621,857.30
  5. Step 5: Solve for x
    x = 32,939,621,857.30/169,622.18
  6. Step 6: Final answer
    x = 194,194.07

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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.