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Finding the Fourth Proportional to 201,331.02, 301,339.38 and 148,008.88

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Solution

The fourth proportional to 201,331.02, 301,339.38 and 148,008.88 is: 221,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,331.02 : 301,339.38 = 148,008.88 : x
  2. Step 2: Convert to fraction form
    201,331.02/301,339.38 = 148,008.88/x
  3. Step 3: Cross multiply
    201,331.02x = 301,339.38 × 148,008.88
  4. Step 4: Simplify right side
    201,331.02x = 44,600,904,133.69
  5. Step 5: Solve for x
    x = 44,600,904,133.69/201,331.02
  6. Step 6: Final answer
    x = 221,530.21

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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.