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Finding the Fourth Proportional to 79,482.87, 109,692.48 and 45,502.05

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Solution

The fourth proportional to 79,482.87, 109,692.48 and 45,502.05 is: 62,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,482.87 : 109,692.48 = 45,502.05 : x
  2. Step 2: Convert to fraction form
    79,482.87/109,692.48 = 45,502.05/x
  3. Step 3: Cross multiply
    79,482.87x = 109,692.48 × 45,502.05
  4. Step 4: Simplify right side
    79,482.87x = 4,991,233,035.61
  5. Step 5: Solve for x
    x = 4,991,233,035.61/79,482.87
  6. Step 6: Final answer
    x = 62,796.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.