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Finding the Fourth Proportional to 101,552.48, 140,099.00 and 61,243.32

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Solution

The fourth proportional to 101,552.48, 140,099.00 and 61,243.32 is: 84,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,552.48 : 140,099.00 = 61,243.32 : x
  2. Step 2: Convert to fraction form
    101,552.48/140,099.00 = 61,243.32/x
  3. Step 3: Cross multiply
    101,552.48x = 140,099.00 × 61,243.32
  4. Step 4: Simplify right side
    101,552.48x = 8,580,127,582.46
  5. Step 5: Solve for x
    x = 8,580,127,582.46/101,552.48
  6. Step 6: Final answer
    x = 84,489.60

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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.