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Finding the Fourth Proportional to 243,015.30, 364,522.95 and 166,907.70

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Solution

The fourth proportional to 243,015.30, 364,522.95 and 166,907.70 is: 250,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,015.30 : 364,522.95 = 166,907.70 : x
  2. Step 2: Convert to fraction form
    243,015.30/364,522.95 = 166,907.70/x
  3. Step 3: Cross multiply
    243,015.30x = 364,522.95 × 166,907.70
  4. Step 4: Simplify right side
    243,015.30x = 60,841,687,181.72
  5. Step 5: Solve for x
    x = 60,841,687,181.72/243,015.30
  6. Step 6: Final answer
    x = 250,361.55

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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.