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Finding the Fourth Proportional to 106,437.68, 146,885.12 and 58,692.76

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Solution

The fourth proportional to 106,437.68, 146,885.12 and 58,692.76 is: 80,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,437.68 : 146,885.12 = 58,692.76 : x
  2. Step 2: Convert to fraction form
    106,437.68/146,885.12 = 58,692.76/x
  3. Step 3: Cross multiply
    106,437.68x = 146,885.12 × 58,692.76
  4. Step 4: Simplify right side
    106,437.68x = 8,621,093,095.73
  5. Step 5: Solve for x
    x = 8,621,093,095.73/106,437.68
  6. Step 6: Final answer
    x = 80,996.63

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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.