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Finding the Fourth Proportional to 74,806.94, 112,177.56 and 28,027.01

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Solution

The fourth proportional to 74,806.94, 112,177.56 and 28,027.01 is: 42,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,806.94 : 112,177.56 = 28,027.01 : x
  2. Step 2: Convert to fraction form
    74,806.94/112,177.56 = 28,027.01/x
  3. Step 3: Cross multiply
    74,806.94x = 112,177.56 × 28,027.01
  4. Step 4: Simplify right side
    74,806.94x = 3,144,001,595.90
  5. Step 5: Solve for x
    x = 3,144,001,595.90/74,806.94
  6. Step 6: Final answer
    x = 42,028.21

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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.