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Finding the Fourth Proportional to 61,984.70, 92,977.05 and 43,322.30

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Solution

The fourth proportional to 61,984.70, 92,977.05 and 43,322.30 is: 64,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.70 : 92,977.05 = 43,322.30 : x
  2. Step 2: Convert to fraction form
    61,984.70/92,977.05 = 43,322.30/x
  3. Step 3: Cross multiply
    61,984.70x = 92,977.05 × 43,322.30
  4. Step 4: Simplify right side
    61,984.70x = 4,027,979,653.22
  5. Step 5: Solve for x
    x = 4,027,979,653.22/61,984.70
  6. Step 6: Final answer
    x = 64,983.45

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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.