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Finding the Fourth Proportional to 64,740.32, 97,120.04 and 33,168.24

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Solution

The fourth proportional to 64,740.32, 97,120.04 and 33,168.24 is: 49,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.32 : 97,120.04 = 33,168.24 : x
  2. Step 2: Convert to fraction form
    64,740.32/97,120.04 = 33,168.24/x
  3. Step 3: Cross multiply
    64,740.32x = 97,120.04 × 33,168.24
  4. Step 4: Simplify right side
    64,740.32x = 3,221,300,795.53
  5. Step 5: Solve for x
    x = 3,221,300,795.53/64,740.32
  6. Step 6: Final answer
    x = 49,757.26

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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.