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Finding the Fourth Proportional to 203,697.96, 281,106.18 and 113,059.74

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Solution

The fourth proportional to 203,697.96, 281,106.18 and 113,059.74 is: 156,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,697.96 : 281,106.18 = 113,059.74 : x
  2. Step 2: Convert to fraction form
    203,697.96/281,106.18 = 113,059.74/x
  3. Step 3: Cross multiply
    203,697.96x = 281,106.18 × 113,059.74
  4. Step 4: Simplify right side
    203,697.96x = 31,781,791,623.19
  5. Step 5: Solve for x
    x = 31,781,791,623.19/203,697.96
  6. Step 6: Final answer
    x = 156,024.10

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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.