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Finding the Fourth Proportional to 73,660.51, 101,648.81 and 45,028.12

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Solution

The fourth proportional to 73,660.51, 101,648.81 and 45,028.12 is: 62,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.51 : 101,648.81 = 45,028.12 : x
  2. Step 2: Convert to fraction form
    73,660.51/101,648.81 = 45,028.12/x
  3. Step 3: Cross multiply
    73,660.51x = 101,648.81 × 45,028.12
  4. Step 4: Simplify right side
    73,660.51x = 4,577,054,335.27
  5. Step 5: Solve for x
    x = 4,577,054,335.27/73,660.51
  6. Step 6: Final answer
    x = 62,137.15

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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.