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Finding the Fourth Proportional to 201,014.86, 301,555.05 and 67,903.06

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Solution

The fourth proportional to 201,014.86, 301,555.05 and 67,903.06 is: 101,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,014.86 : 301,555.05 = 67,903.06 : x
  2. Step 2: Convert to fraction form
    201,014.86/301,555.05 = 67,903.06/x
  3. Step 3: Cross multiply
    201,014.86x = 301,555.05 × 67,903.06
  4. Step 4: Simplify right side
    201,014.86x = 20,476,510,653.45
  5. Step 5: Solve for x
    x = 20,476,510,653.45/201,014.86
  6. Step 6: Final answer
    x = 101,865.66

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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.