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Finding the Fourth Proportional to 222,309.45, 333,526.64 and 89,283.15

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Solution

The fourth proportional to 222,309.45, 333,526.64 and 89,283.15 is: 133,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309.45 : 333,526.64 = 89,283.15 : x
  2. Step 2: Convert to fraction form
    222,309.45/333,526.64 = 89,283.15/x
  3. Step 3: Cross multiply
    222,309.45x = 333,526.64 × 89,283.15
  4. Step 4: Simplify right side
    222,309.45x = 29,778,308,581.70
  5. Step 5: Solve for x
    x = 29,778,308,581.70/222,309.45
  6. Step 6: Final answer
    x = 133,949.81

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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.