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Finding the Fourth Proportional to 146,323.40, 219,485.10 and 35,515.40

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Solution

The fourth proportional to 146,323.40, 219,485.10 and 35,515.40 is: 53,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,323.40 : 219,485.10 = 35,515.40 : x
  2. Step 2: Convert to fraction form
    146,323.40/219,485.10 = 35,515.40/x
  3. Step 3: Cross multiply
    146,323.40x = 219,485.10 × 35,515.40
  4. Step 4: Simplify right side
    146,323.40x = 7,795,101,120.54
  5. Step 5: Solve for x
    x = 7,795,101,120.54/146,323.40
  6. Step 6: Final answer
    x = 53,273.10

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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.