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Finding the Fourth Proportional to 202,188.70, 303,611.10 and 113,615.20

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Solution

The fourth proportional to 202,188.70, 303,611.10 and 113,615.20 is: 170,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,188.70 : 303,611.10 = 113,615.20 : x
  2. Step 2: Convert to fraction form
    202,188.70/303,611.10 = 113,615.20/x
  3. Step 3: Cross multiply
    202,188.70x = 303,611.10 × 113,615.20
  4. Step 4: Simplify right side
    202,188.70x = 34,494,835,848.72
  5. Step 5: Solve for x
    x = 34,494,835,848.72/202,188.70
  6. Step 6: Final answer
    x = 170,607.14

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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.