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Finding the Fourth Proportional to 64,160.16, 96,241.76 and 22,039.84

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Solution

The fourth proportional to 64,160.16, 96,241.76 and 22,039.84 is: 33,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,160.16 : 96,241.76 = 22,039.84 : x
  2. Step 2: Convert to fraction form
    64,160.16/96,241.76 = 22,039.84/x
  3. Step 3: Cross multiply
    64,160.16x = 96,241.76 × 22,039.84
  4. Step 4: Simplify right side
    64,160.16x = 2,121,152,991.72
  5. Step 5: Solve for x
    x = 2,121,152,991.72/64,160.16
  6. Step 6: Final answer
    x = 33,060.28

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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.