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Finding the Fourth Proportional to 75,158.98, 112,685.06 and 37,692.02

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Solution

The fourth proportional to 75,158.98, 112,685.06 and 37,692.02 is: 56,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.98 : 112,685.06 = 37,692.02 : x
  2. Step 2: Convert to fraction form
    75,158.98/112,685.06 = 37,692.02/x
  3. Step 3: Cross multiply
    75,158.98x = 112,685.06 × 37,692.02
  4. Step 4: Simplify right side
    75,158.98x = 4,247,327,535.22
  5. Step 5: Solve for x
    x = 4,247,327,535.22/75,158.98
  6. Step 6: Final answer
    x = 56,511.25

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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.