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Finding the Fourth Proportional to 64,679.42, 97,019.16 and 29,099.19

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Solution

The fourth proportional to 64,679.42, 97,019.16 and 29,099.19 is: 43,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.42 : 97,019.16 = 29,099.19 : x
  2. Step 2: Convert to fraction form
    64,679.42/97,019.16 = 29,099.19/x
  3. Step 3: Cross multiply
    64,679.42x = 97,019.16 × 29,099.19
  4. Step 4: Simplify right side
    64,679.42x = 2,823,178,970.48
  5. Step 5: Solve for x
    x = 2,823,178,970.48/64,679.42
  6. Step 6: Final answer
    x = 43,648.80

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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.