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Finding the Fourth Proportional to 162,578.70, 243,522.45 and 134,930.70

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Solution

The fourth proportional to 162,578.70, 243,522.45 and 134,930.70 is: 202,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,578.70 : 243,522.45 = 134,930.70 : x
  2. Step 2: Convert to fraction form
    162,578.70/243,522.45 = 134,930.70/x
  3. Step 3: Cross multiply
    162,578.70x = 243,522.45 × 134,930.70
  4. Step 4: Simplify right side
    162,578.70x = 32,858,654,644.22
  5. Step 5: Solve for x
    x = 32,858,654,644.22/162,578.70
  6. Step 6: Final answer
    x = 202,109.22

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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.