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Finding the Fourth Proportional to 201,102.77, 301,649.55 and 101,236.15

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Solution

The fourth proportional to 201,102.77, 301,649.55 and 101,236.15 is: 151,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,102.77 : 301,649.55 = 101,236.15 : x
  2. Step 2: Convert to fraction form
    201,102.77/301,649.55 = 101,236.15/x
  3. Step 3: Cross multiply
    201,102.77x = 301,649.55 × 101,236.15
  4. Step 4: Simplify right side
    201,102.77x = 30,537,839,091.23
  5. Step 5: Solve for x
    x = 30,537,839,091.23/201,102.77
  6. Step 6: Final answer
    x = 151,851.91

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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.