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Finding the Fourth Proportional to 250,037.56, 345,051.30 and 142,606.60

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Solution

The fourth proportional to 250,037.56, 345,051.30 and 142,606.60 is: 196,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,037.56 : 345,051.30 = 142,606.60 : x
  2. Step 2: Convert to fraction form
    250,037.56/345,051.30 = 142,606.60/x
  3. Step 3: Cross multiply
    250,037.56x = 345,051.30 × 142,606.60
  4. Step 4: Simplify right side
    250,037.56x = 49,206,592,718.58
  5. Step 5: Solve for x
    x = 49,206,592,718.58/250,037.56
  6. Step 6: Final answer
    x = 196,796.80

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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.