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Finding the Fourth Proportional to 73,995.48, 102,802.48 and 73,109.70

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Solution

The fourth proportional to 73,995.48, 102,802.48 and 73,109.70 is: 101,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.48 : 102,802.48 = 73,109.70 : x
  2. Step 2: Convert to fraction form
    73,995.48/102,802.48 = 73,109.70/x
  3. Step 3: Cross multiply
    73,995.48x = 102,802.48 × 73,109.70
  4. Step 4: Simplify right side
    73,995.48x = 7,515,858,289.28
  5. Step 5: Solve for x
    x = 7,515,858,289.28/73,995.48
  6. Step 6: Final answer
    x = 101,571.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.