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Finding the Fourth Proportional to 98,241.72, 135,573.57 and 53,529.72

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Solution

The fourth proportional to 98,241.72, 135,573.57 and 53,529.72 is: 73,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,241.72 : 135,573.57 = 53,529.72 : x
  2. Step 2: Convert to fraction form
    98,241.72/135,573.57 = 53,529.72/x
  3. Step 3: Cross multiply
    98,241.72x = 135,573.57 × 53,529.72
  4. Step 4: Simplify right side
    98,241.72x = 7,257,215,241.50
  5. Step 5: Solve for x
    x = 7,257,215,241.50/98,241.72
  6. Step 6: Final answer
    x = 73,871.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.