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Finding the Fourth Proportional to 174,968.76, 262,580.64 and 69,817.80

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Solution

The fourth proportional to 174,968.76, 262,580.64 and 69,817.80 is: 104,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,968.76 : 262,580.64 = 69,817.80 : x
  2. Step 2: Convert to fraction form
    174,968.76/262,580.64 = 69,817.80/x
  3. Step 3: Cross multiply
    174,968.76x = 262,580.64 × 69,817.80
  4. Step 4: Simplify right side
    174,968.76x = 18,332,802,607.39
  5. Step 5: Solve for x
    x = 18,332,802,607.39/174,968.76
  6. Step 6: Final answer
    x = 104,777.58

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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.