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Finding the Fourth Proportional to 222,615.41, 333,919.58 and 70,810.34

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Solution

The fourth proportional to 222,615.41, 333,919.58 and 70,810.34 is: 106,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,615.41 : 333,919.58 = 70,810.34 : x
  2. Step 2: Convert to fraction form
    222,615.41/333,919.58 = 70,810.34/x
  3. Step 3: Cross multiply
    222,615.41x = 333,919.58 × 70,810.34
  4. Step 4: Simplify right side
    222,615.41x = 23,644,956,968.81
  5. Step 5: Solve for x
    x = 23,644,956,968.81/222,615.41
  6. Step 6: Final answer
    x = 106,214.38

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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.