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Finding the Fourth Proportional to 106,536.51, 147,016.02 and 58,789.20

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Solution

The fourth proportional to 106,536.51, 147,016.02 and 58,789.20 is: 81,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,536.51 : 147,016.02 = 58,789.20 : x
  2. Step 2: Convert to fraction form
    106,536.51/147,016.02 = 58,789.20/x
  3. Step 3: Cross multiply
    106,536.51x = 147,016.02 × 58,789.20
  4. Step 4: Simplify right side
    106,536.51x = 8,642,954,202.98
  5. Step 5: Solve for x
    x = 8,642,954,202.98/106,536.51
  6. Step 6: Final answer
    x = 81,126.69

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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.