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Finding the Fourth Proportional to 73,226.31, 101,051.59 and 39,692.31

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Solution

The fourth proportional to 73,226.31, 101,051.59 and 39,692.31 is: 54,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,226.31 : 101,051.59 = 39,692.31 : x
  2. Step 2: Convert to fraction form
    73,226.31/101,051.59 = 39,692.31/x
  3. Step 3: Cross multiply
    73,226.31x = 101,051.59 × 39,692.31
  4. Step 4: Simplify right side
    73,226.31x = 4,010,971,036.27
  5. Step 5: Solve for x
    x = 4,010,971,036.27/73,226.31
  6. Step 6: Final answer
    x = 54,775.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.