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Finding the Fourth Proportional to 210,446.89, 315,716.97 and 60,675.49

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Solution

The fourth proportional to 210,446.89, 315,716.97 and 60,675.49 is: 91,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,446.89 : 315,716.97 = 60,675.49 : x
  2. Step 2: Convert to fraction form
    210,446.89/315,716.97 = 60,675.49/x
  3. Step 3: Cross multiply
    210,446.89x = 315,716.97 × 60,675.49
  4. Step 4: Simplify right side
    210,446.89x = 19,156,282,478.24
  5. Step 5: Solve for x
    x = 19,156,282,478.24/210,446.89
  6. Step 6: Final answer
    x = 91,026.68

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1.5x scale

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.