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Finding the Fourth Proportional to 162,576.20, 243,518.70 and 134,928.20

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Solution

The fourth proportional to 162,576.20, 243,518.70 and 134,928.20 is: 202,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,576.20 : 243,518.70 = 134,928.20 : x
  2. Step 2: Convert to fraction form
    162,576.20/243,518.70 = 134,928.20/x
  3. Step 3: Cross multiply
    162,576.20x = 243,518.70 × 134,928.20
  4. Step 4: Simplify right side
    162,576.20x = 32,857,539,857.34
  5. Step 5: Solve for x
    x = 32,857,539,857.34/162,576.20
  6. Step 6: Final answer
    x = 202,105.47

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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.