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Finding the Fourth Proportional to 201,205.35, 301,808.03 and 168,728.40

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Solution

The fourth proportional to 201,205.35, 301,808.03 and 168,728.40 is: 253,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205.35 : 301,808.03 = 168,728.40 : x
  2. Step 2: Convert to fraction form
    201,205.35/301,808.03 = 168,728.40/x
  3. Step 3: Cross multiply
    201,205.35x = 301,808.03 × 168,728.40
  4. Step 4: Simplify right side
    201,205.35x = 50,923,585,165.41
  5. Step 5: Solve for x
    x = 50,923,585,165.41/201,205.35
  6. Step 6: Final answer
    x = 253,092.60

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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.