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Finding the Fourth Proportional to 220,770.72, 331,159.19 and 62,999.19

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Solution

The fourth proportional to 220,770.72, 331,159.19 and 62,999.19 is: 94,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,770.72 : 331,159.19 = 62,999.19 : x
  2. Step 2: Convert to fraction form
    220,770.72/331,159.19 = 62,999.19/x
  3. Step 3: Cross multiply
    220,770.72x = 331,159.19 × 62,999.19
  4. Step 4: Simplify right side
    220,770.72x = 20,862,760,416.06
  5. Step 5: Solve for x
    x = 20,862,760,416.06/220,770.72
  6. Step 6: Final answer
    x = 94,499.67

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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.