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Finding the Fourth Proportional to 65,214.91, 97,644.51 and 49,372.01

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Solution

The fourth proportional to 65,214.91, 97,644.51 and 49,372.01 is: 73,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,214.91 : 97,644.51 = 49,372.01 : x
  2. Step 2: Convert to fraction form
    65,214.91/97,644.51 = 49,372.01/x
  3. Step 3: Cross multiply
    65,214.91x = 97,644.51 × 49,372.01
  4. Step 4: Simplify right side
    65,214.91x = 4,820,905,968.28
  5. Step 5: Solve for x
    x = 4,820,905,968.28/65,214.91
  6. Step 6: Final answer
    x = 73,923.37

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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.