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Finding the Fourth Proportional to 73,095.16, 100,832.85 and 50,395.16

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Solution

The fourth proportional to 73,095.16, 100,832.85 and 50,395.16 is: 69,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,095.16 : 100,832.85 = 50,395.16 : x
  2. Step 2: Convert to fraction form
    73,095.16/100,832.85 = 50,395.16/x
  3. Step 3: Cross multiply
    73,095.16x = 100,832.85 × 50,395.16
  4. Step 4: Simplify right side
    73,095.16x = 5,081,487,861.09
  5. Step 5: Solve for x
    x = 5,081,487,861.09/73,095.16
  6. Step 6: Final answer
    x = 69,518.80

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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.