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Finding the Fourth Proportional to 149,858.68, 223,694.80 and 130,941.48

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Solution

The fourth proportional to 149,858.68, 223,694.80 and 130,941.48 is: 195,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,858.68 : 223,694.80 = 130,941.48 : x
  2. Step 2: Convert to fraction form
    149,858.68/223,694.80 = 130,941.48/x
  3. Step 3: Cross multiply
    149,858.68x = 223,694.80 × 130,941.48
  4. Step 4: Simplify right side
    149,858.68x = 29,290,928,180.30
  5. Step 5: Solve for x
    x = 29,290,928,180.30/149,858.68
  6. Step 6: Final answer
    x = 195,457.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.