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Finding the Fourth Proportional to 503,116.24, 754,679.62 and 148,136.98

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Solution

The fourth proportional to 503,116.24, 754,679.62 and 148,136.98 is: 222,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,116.24 : 754,679.62 = 148,136.98 : x
  2. Step 2: Convert to fraction form
    503,116.24/754,679.62 = 148,136.98/x
  3. Step 3: Cross multiply
    503,116.24x = 754,679.62 × 148,136.98
  4. Step 4: Simplify right side
    503,116.24x = 111,795,959,774.35
  5. Step 5: Solve for x
    x = 111,795,959,774.35/503,116.24
  6. Step 6: Final answer
    x = 222,207.02

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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.