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Finding the Fourth Proportional to 94,692.87, 142,015.01 and 28,114.92

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Solution

The fourth proportional to 94,692.87, 142,015.01 and 28,114.92 is: 42,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,692.87 : 142,015.01 = 28,114.92 : x
  2. Step 2: Convert to fraction form
    94,692.87/142,015.01 = 28,114.92/x
  3. Step 3: Cross multiply
    94,692.87x = 142,015.01 × 28,114.92
  4. Step 4: Simplify right side
    94,692.87x = 3,992,740,504.37
  5. Step 5: Solve for x
    x = 3,992,740,504.37/94,692.87
  6. Step 6: Final answer
    x = 42,165.17

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1.5x scale

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.