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Finding the Fourth Proportional to 222,516.48, 333,330.08 and 133,721.92

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Solution

The fourth proportional to 222,516.48, 333,330.08 and 133,721.92 is: 200,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,516.48 : 333,330.08 = 133,721.92 : x
  2. Step 2: Convert to fraction form
    222,516.48/333,330.08 = 133,721.92/x
  3. Step 3: Cross multiply
    222,516.48x = 333,330.08 × 133,721.92
  4. Step 4: Simplify right side
    222,516.48x = 44,573,538,291.35
  5. Step 5: Solve for x
    x = 44,573,538,291.35/222,516.48
  6. Step 6: Final answer
    x = 200,315.67

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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.