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Finding the Fourth Proportional to 201,672.90, 302,800.95 and 152,100.90

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Solution

The fourth proportional to 201,672.90, 302,800.95 and 152,100.90 is: 228,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,672.90 : 302,800.95 = 152,100.90 : x
  2. Step 2: Convert to fraction form
    201,672.90/302,800.95 = 152,100.90/x
  3. Step 3: Cross multiply
    201,672.90x = 302,800.95 × 152,100.90
  4. Step 4: Simplify right side
    201,672.90x = 46,056,297,015.86
  5. Step 5: Solve for x
    x = 46,056,297,015.86/201,672.90
  6. Step 6: Final answer
    x = 228,371.27

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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.