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Finding the Fourth Proportional to 74,237.01, 111,365.52 and 21,646.02

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Solution

The fourth proportional to 74,237.01, 111,365.52 and 21,646.02 is: 32,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.01 : 111,365.52 = 21,646.02 : x
  2. Step 2: Convert to fraction form
    74,237.01/111,365.52 = 21,646.02/x
  3. Step 3: Cross multiply
    74,237.01x = 111,365.52 × 21,646.02
  4. Step 4: Simplify right side
    74,237.01x = 2,410,620,273.23
  5. Step 5: Solve for x
    x = 2,410,620,273.23/74,237.01
  6. Step 6: Final answer
    x = 32,471.95

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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.