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Finding the Fourth Proportional to 201,015.28, 301,522.62 and 156,675.28

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Solution

The fourth proportional to 201,015.28, 301,522.62 and 156,675.28 is: 235,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,015.28 : 301,522.62 = 156,675.28 : x
  2. Step 2: Convert to fraction form
    201,015.28/301,522.62 = 156,675.28/x
  3. Step 3: Cross multiply
    201,015.28x = 301,522.62 × 156,675.28
  4. Step 4: Simplify right side
    201,015.28x = 47,241,140,914.83
  5. Step 5: Solve for x
    x = 47,241,140,914.83/201,015.28
  6. Step 6: Final answer
    x = 235,012.69

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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.