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Finding the Fourth Proportional to 64,884.80, 97,327.20 and 58,331.20

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Solution

The fourth proportional to 64,884.80, 97,327.20 and 58,331.20 is: 87,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.80 : 97,327.20 = 58,331.20 : x
  2. Step 2: Convert to fraction form
    64,884.80/97,327.20 = 58,331.20/x
  3. Step 3: Cross multiply
    64,884.80x = 97,327.20 × 58,331.20
  4. Step 4: Simplify right side
    64,884.80x = 5,677,212,368.64
  5. Step 5: Solve for x
    x = 5,677,212,368.64/64,884.80
  6. Step 6: Final answer
    x = 87,496.80

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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.