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Finding the Fourth Proportional to 222,045.94, 332,542.80 and 127,327.57

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Solution

The fourth proportional to 222,045.94, 332,542.80 and 127,327.57 is: 190,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,045.94 : 332,542.80 = 127,327.57 : x
  2. Step 2: Convert to fraction form
    222,045.94/332,542.80 = 127,327.57/x
  3. Step 3: Cross multiply
    222,045.94x = 332,542.80 × 127,327.57
  4. Step 4: Simplify right side
    222,045.94x = 42,341,866,645.00
  5. Step 5: Solve for x
    x = 42,341,866,645.00/222,045.94
  6. Step 6: Final answer
    x = 190,689.67

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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.