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Finding the Fourth Proportional to 169,551.04, 254,398.40 and 85,266.88

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Solution

The fourth proportional to 169,551.04, 254,398.40 and 85,266.88 is: 127,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,551.04 : 254,398.40 = 85,266.88 : x
  2. Step 2: Convert to fraction form
    169,551.04/254,398.40 = 85,266.88/x
  3. Step 3: Cross multiply
    169,551.04x = 254,398.40 × 85,266.88
  4. Step 4: Simplify right side
    169,551.04x = 21,691,757,844.99
  5. Step 5: Solve for x
    x = 21,691,757,844.99/169,551.04
  6. Step 6: Final answer
    x = 127,936.45

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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.