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Finding the Fourth Proportional to 222,239.56, 333,290.16 and 74,461

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Solution

The fourth proportional to 222,239.56, 333,290.16 and 74,461 is: 111,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,239.56 : 333,290.16 = 74,461 : x
  2. Step 2: Convert to fraction form
    222,239.56/333,290.16 = 74,461/x
  3. Step 3: Cross multiply
    222,239.56x = 333,290.16 × 74,461
  4. Step 4: Simplify right side
    222,239.56x = 24,817,118,603.76
  5. Step 5: Solve for x
    x = 24,817,118,603.76/222,239.56
  6. Step 6: Final answer
    x = 111,668.32

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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.