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Finding the Fourth Proportional to 242,212.95, 363,277.51 and 73,692.45

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Solution

The fourth proportional to 242,212.95, 363,277.51 and 73,692.45 is: 110,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,212.95 : 363,277.51 = 73,692.45 : x
  2. Step 2: Convert to fraction form
    242,212.95/363,277.51 = 73,692.45/x
  3. Step 3: Cross multiply
    242,212.95x = 363,277.51 × 73,692.45
  4. Step 4: Simplify right side
    242,212.95x = 26,770,809,557.57
  5. Step 5: Solve for x
    x = 26,770,809,557.57/242,212.95
  6. Step 6: Final answer
    x = 110,525.92

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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.