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Finding the Fourth Proportional to 76,325.50, 105,207.49 and 60,166.46

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Solution

The fourth proportional to 76,325.50, 105,207.49 and 60,166.46 is: 82,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,325.50 : 105,207.49 = 60,166.46 : x
  2. Step 2: Convert to fraction form
    76,325.50/105,207.49 = 60,166.46/x
  3. Step 3: Cross multiply
    76,325.50x = 105,207.49 × 60,166.46
  4. Step 4: Simplify right side
    76,325.50x = 6,329,962,577.01
  5. Step 5: Solve for x
    x = 6,329,962,577.01/76,325.50
  6. Step 6: Final answer
    x = 82,933.78

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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.