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Finding the Fourth Proportional to 254,754.66, 351,553.84 and 145,855.38

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Solution

The fourth proportional to 254,754.66, 351,553.84 and 145,855.38 is: 201,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,754.66 : 351,553.84 = 145,855.38 : x
  2. Step 2: Convert to fraction form
    254,754.66/351,553.84 = 145,855.38/x
  3. Step 3: Cross multiply
    254,754.66x = 351,553.84 × 145,855.38
  4. Step 4: Simplify right side
    254,754.66x = 51,276,019,877.35
  5. Step 5: Solve for x
    x = 51,276,019,877.35/254,754.66
  6. Step 6: Final answer
    x = 201,276.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.