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Finding the Fourth Proportional to 102,504.76, 153,777.89 and 43,340.33

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Solution

The fourth proportional to 102,504.76, 153,777.89 and 43,340.33 is: 65,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504.76 : 153,777.89 = 43,340.33 : x
  2. Step 2: Convert to fraction form
    102,504.76/153,777.89 = 43,340.33/x
  3. Step 3: Cross multiply
    102,504.76x = 153,777.89 × 43,340.33
  4. Step 4: Simplify right side
    102,504.76x = 6,664,784,992.10
  5. Step 5: Solve for x
    x = 6,664,784,992.10/102,504.76
  6. Step 6: Final answer
    x = 65,019.27

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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.