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Finding the Fourth Proportional to 149,995.90, 225,051.45 and 147,634.30

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Solution

The fourth proportional to 149,995.90, 225,051.45 and 147,634.30 is: 221,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,995.90 : 225,051.45 = 147,634.30 : x
  2. Step 2: Convert to fraction form
    149,995.90/225,051.45 = 147,634.30/x
  3. Step 3: Cross multiply
    149,995.90x = 225,051.45 × 147,634.30
  4. Step 4: Simplify right side
    149,995.90x = 33,225,313,284.74
  5. Step 5: Solve for x
    x = 33,225,313,284.74/149,995.90
  6. Step 6: Final answer
    x = 221,508.14

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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.