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Finding the Fourth Proportional to 104,692.80, 144,494.40 and 62,275.20

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Solution

The fourth proportional to 104,692.80, 144,494.40 and 62,275.20 is: 85,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.80 : 144,494.40 = 62,275.20 : x
  2. Step 2: Convert to fraction form
    104,692.80/144,494.40 = 62,275.20/x
  3. Step 3: Cross multiply
    104,692.80x = 144,494.40 × 62,275.20
  4. Step 4: Simplify right side
    104,692.80x = 8,998,417,658.88
  5. Step 5: Solve for x
    x = 8,998,417,658.88/104,692.80
  6. Step 6: Final answer
    x = 85,950.68

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1.5x scale

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.