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Finding the Fourth Proportional to 73,187.05, 100,998.30 and 40,922.83

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Solution

The fourth proportional to 73,187.05, 100,998.30 and 40,922.83 is: 56,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.05 : 100,998.30 = 40,922.83 : x
  2. Step 2: Convert to fraction form
    73,187.05/100,998.30 = 40,922.83/x
  3. Step 3: Cross multiply
    73,187.05x = 100,998.30 × 40,922.83
  4. Step 4: Simplify right side
    73,187.05x = 4,133,136,261.19
  5. Step 5: Solve for x
    x = 4,133,136,261.19/73,187.05
  6. Step 6: Final answer
    x = 56,473.60

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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.