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Finding the Fourth Proportional to 222,312.83, 333,511.39 and 89,203.58

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Solution

The fourth proportional to 222,312.83, 333,511.39 and 89,203.58 is: 133,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,312.83 : 333,511.39 = 89,203.58 : x
  2. Step 2: Convert to fraction form
    222,312.83/333,511.39 = 89,203.58/x
  3. Step 3: Cross multiply
    222,312.83x = 333,511.39 × 89,203.58
  4. Step 4: Simplify right side
    222,312.83x = 29,750,409,958.78
  5. Step 5: Solve for x
    x = 29,750,409,958.78/222,312.83
  6. Step 6: Final answer
    x = 133,822.28

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1.5x scale

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.