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Finding the Fourth Proportional to 73,010.24, 109,448.40 and 48,010.40

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Solution

The fourth proportional to 73,010.24, 109,448.40 and 48,010.40 is: 71,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.24 : 109,448.40 = 48,010.40 : x
  2. Step 2: Convert to fraction form
    73,010.24/109,448.40 = 48,010.40/x
  3. Step 3: Cross multiply
    73,010.24x = 109,448.40 × 48,010.40
  4. Step 4: Simplify right side
    73,010.24x = 5,254,661,463.36
  5. Step 5: Solve for x
    x = 5,254,661,463.36/73,010.24
  6. Step 6: Final answer
    x = 71,971.57

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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.