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Finding the Fourth Proportional to 94,461.80, 141,692.49 and 64,789.65

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Solution

The fourth proportional to 94,461.80, 141,692.49 and 64,789.65 is: 97,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,461.80 : 141,692.49 = 64,789.65 : x
  2. Step 2: Convert to fraction form
    94,461.80/141,692.49 = 64,789.65/x
  3. Step 3: Cross multiply
    94,461.80x = 141,692.49 × 64,789.65
  4. Step 4: Simplify right side
    94,461.80x = 9,180,206,834.73
  5. Step 5: Solve for x
    x = 9,180,206,834.73/94,461.80
  6. Step 6: Final answer
    x = 97,184.34

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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.