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Finding the Fourth Proportional to 67,692.18, 101,559.03 and 30,283.74

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Solution

The fourth proportional to 67,692.18, 101,559.03 and 30,283.74 is: 45,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692.18 : 101,559.03 = 30,283.74 : x
  2. Step 2: Convert to fraction form
    67,692.18/101,559.03 = 30,283.74/x
  3. Step 3: Cross multiply
    67,692.18x = 101,559.03 × 30,283.74
  4. Step 4: Simplify right side
    67,692.18x = 3,075,587,259.17
  5. Step 5: Solve for x
    x = 3,075,587,259.17/67,692.18
  6. Step 6: Final answer
    x = 45,434.90

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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.