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Finding the Fourth Proportional to 73,019.18, 100,769.54 and 41,188.07

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Solution

The fourth proportional to 73,019.18, 100,769.54 and 41,188.07 is: 56,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.18 : 100,769.54 = 41,188.07 : x
  2. Step 2: Convert to fraction form
    73,019.18/100,769.54 = 41,188.07/x
  3. Step 3: Cross multiply
    73,019.18x = 100,769.54 × 41,188.07
  4. Step 4: Simplify right side
    73,019.18x = 4,150,502,913.37
  5. Step 5: Solve for x
    x = 4,150,502,913.37/73,019.18
  6. Step 6: Final answer
    x = 56,841.27

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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.