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Finding the Fourth Proportional to 101,580.16, 152,370.24 and 48,979.84

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Solution

The fourth proportional to 101,580.16, 152,370.24 and 48,979.84 is: 73,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,580.16 : 152,370.24 = 48,979.84 : x
  2. Step 2: Convert to fraction form
    101,580.16/152,370.24 = 48,979.84/x
  3. Step 3: Cross multiply
    101,580.16x = 152,370.24 × 48,979.84
  4. Step 4: Simplify right side
    101,580.16x = 7,463,069,975.96
  5. Step 5: Solve for x
    x = 7,463,069,975.96/101,580.16
  6. Step 6: Final answer
    x = 73,469.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.