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Finding the Fourth Proportional to 222,490.98, 333,503.19 and 104,062.50

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Solution

The fourth proportional to 222,490.98, 333,503.19 and 104,062.50 is: 155,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,490.98 : 333,503.19 = 104,062.50 : x
  2. Step 2: Convert to fraction form
    222,490.98/333,503.19 = 104,062.50/x
  3. Step 3: Cross multiply
    222,490.98x = 333,503.19 × 104,062.50
  4. Step 4: Simplify right side
    222,490.98x = 34,705,175,709.38
  5. Step 5: Solve for x
    x = 34,705,175,709.38/222,490.98
  6. Step 6: Final answer
    x = 155,984.64

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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.