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Finding the Fourth Proportional to 182,603.20, 274,186.40 and 99,659.20

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Solution

The fourth proportional to 182,603.20, 274,186.40 and 99,659.20 is: 149,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,603.20 : 274,186.40 = 99,659.20 : x
  2. Step 2: Convert to fraction form
    182,603.20/274,186.40 = 99,659.20/x
  3. Step 3: Cross multiply
    182,603.20x = 274,186.40 × 99,659.20
  4. Step 4: Simplify right side
    182,603.20x = 27,325,197,274.88
  5. Step 5: Solve for x
    x = 27,325,197,274.88/182,603.20
  6. Step 6: Final answer
    x = 149,642.49

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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.