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Finding the Fourth Proportional to 152,554.40, 228,766.80 and 73,692.80

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Solution

The fourth proportional to 152,554.40, 228,766.80 and 73,692.80 is: 110,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,554.40 : 228,766.80 = 73,692.80 : x
  2. Step 2: Convert to fraction form
    152,554.40/228,766.80 = 73,692.80/x
  3. Step 3: Cross multiply
    152,554.40x = 228,766.80 × 73,692.80
  4. Step 4: Simplify right side
    152,554.40x = 16,858,466,039.04
  5. Step 5: Solve for x
    x = 16,858,466,039.04/152,554.40
  6. Step 6: Final answer
    x = 110,507.90

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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.