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Finding the Fourth Proportional to 67,804.70, 101,633.16 and 57,913.97

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Solution

The fourth proportional to 67,804.70, 101,633.16 and 57,913.97 is: 86,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,804.70 : 101,633.16 = 57,913.97 : x
  2. Step 2: Convert to fraction form
    67,804.70/101,633.16 = 57,913.97/x
  3. Step 3: Cross multiply
    67,804.70x = 101,633.16 × 57,913.97
  4. Step 4: Simplify right side
    67,804.70x = 5,885,979,779.25
  5. Step 5: Solve for x
    x = 5,885,979,779.25/67,804.70
  6. Step 6: Final answer
    x = 86,807.84

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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.