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Finding the Fourth Proportional to 159,366.44, 219,450.96 and 155,830.12

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Solution

The fourth proportional to 159,366.44, 219,450.96 and 155,830.12 is: 214,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,366.44 : 219,450.96 = 155,830.12 : x
  2. Step 2: Convert to fraction form
    159,366.44/219,450.96 = 155,830.12/x
  3. Step 3: Cross multiply
    159,366.44x = 219,450.96 × 155,830.12
  4. Step 4: Simplify right side
    159,366.44x = 34,197,069,430.92
  5. Step 5: Solve for x
    x = 34,197,069,430.92/159,366.44
  6. Step 6: Final answer
    x = 214,581.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.