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Finding the Fourth Proportional to 64,729.63, 97,104.02 and 33,157.55

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Solution

The fourth proportional to 64,729.63, 97,104.02 and 33,157.55 is: 49,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.63 : 97,104.02 = 33,157.55 : x
  2. Step 2: Convert to fraction form
    64,729.63/97,104.02 = 33,157.55/x
  3. Step 3: Cross multiply
    64,729.63x = 97,104.02 × 33,157.55
  4. Step 4: Simplify right side
    64,729.63x = 3,219,731,475.32
  5. Step 5: Solve for x
    x = 3,219,731,475.32/64,729.63
  6. Step 6: Final answer
    x = 49,741.23

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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.