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Finding the Fourth Proportional to 199,573.97, 299,146.71 and 99,536.54

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Solution

The fourth proportional to 199,573.97, 299,146.71 and 99,536.54 is: 149,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,573.97 : 299,146.71 = 99,536.54 : x
  2. Step 2: Convert to fraction form
    199,573.97/299,146.71 = 99,536.54/x
  3. Step 3: Cross multiply
    199,573.97x = 299,146.71 × 99,536.54
  4. Step 4: Simplify right side
    199,573.97x = 29,776,028,465.78
  5. Step 5: Solve for x
    x = 29,776,028,465.78/199,573.97
  6. Step 6: Final answer
    x = 149,197.96

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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.