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Finding the Fourth Proportional to 40,361,692.40, 60,542,538.60 and 28,244,837.60

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Solution

The fourth proportional to 40,361,692.40, 60,542,538.60 and 28,244,837.60 is: 42,367,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,361,692.40 : 60,542,538.60 = 28,244,837.60 : x
  2. Step 2: Convert to fraction form
    40,361,692.40/60,542,538.60 = 28,244,837.60/x
  3. Step 3: Cross multiply
    40,361,692.40x = 60,542,538.60 × 28,244,837.60
  4. Step 4: Simplify right side
    40,361,692.40x = 1,710,014,170,648,731.50
  5. Step 5: Solve for x
    x = 1,710,014,170,648,731.50/40,361,692.40
  6. Step 6: Final answer
    x = 42,367,256.40

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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.