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Finding the Fourth Proportional to 201,008.76, 301,519.80 and 101,114.52

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Solution

The fourth proportional to 201,008.76, 301,519.80 and 101,114.52 is: 151,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,008.76 : 301,519.80 = 101,114.52 : x
  2. Step 2: Convert to fraction form
    201,008.76/301,519.80 = 101,114.52/x
  3. Step 3: Cross multiply
    201,008.76x = 301,519.80 × 101,114.52
  4. Step 4: Simplify right side
    201,008.76x = 30,488,029,847.50
  5. Step 5: Solve for x
    x = 30,488,029,847.50/201,008.76
  6. Step 6: Final answer
    x = 151,675.13

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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.