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Finding the Fourth Proportional to 350,835.90, 526,220.82 and 98,138.94

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Solution

The fourth proportional to 350,835.90, 526,220.82 and 98,138.94 is: 147,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,835.90 : 526,220.82 = 98,138.94 : x
  2. Step 2: Convert to fraction form
    350,835.90/526,220.82 = 98,138.94/x
  3. Step 3: Cross multiply
    350,835.90x = 526,220.82 × 98,138.94
  4. Step 4: Simplify right side
    350,835.90x = 51,642,753,480.73
  5. Step 5: Solve for x
    x = 51,642,753,480.73/350,835.90
  6. Step 6: Final answer
    x = 147,199.17

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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.