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Finding the Fourth Proportional to 73,089.51, 100,960.32 and 58,803.13

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Solution

The fourth proportional to 73,089.51, 100,960.32 and 58,803.13 is: 81,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,089.51 : 100,960.32 = 58,803.13 : x
  2. Step 2: Convert to fraction form
    73,089.51/100,960.32 = 58,803.13/x
  3. Step 3: Cross multiply
    73,089.51x = 100,960.32 × 58,803.13
  4. Step 4: Simplify right side
    73,089.51x = 5,936,782,821.80
  5. Step 5: Solve for x
    x = 5,936,782,821.80/73,089.51
  6. Step 6: Final answer
    x = 81,226.20

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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.