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Finding the Fourth Proportional to 313,167.40, 469,692.07 and 88,526.05

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Solution

The fourth proportional to 313,167.40, 469,692.07 and 88,526.05 is: 132,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,167.40 : 469,692.07 = 88,526.05 : x
  2. Step 2: Convert to fraction form
    313,167.40/469,692.07 = 88,526.05/x
  3. Step 3: Cross multiply
    313,167.40x = 469,692.07 × 88,526.05
  4. Step 4: Simplify right side
    313,167.40x = 41,579,982,277.88
  5. Step 5: Solve for x
    x = 41,579,982,277.88/313,167.40
  6. Step 6: Final answer
    x = 132,772.39

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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.