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Finding the Fourth Proportional to 157,504.10, 235,928.10 and 131,260.10

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Solution

The fourth proportional to 157,504.10, 235,928.10 and 131,260.10 is: 196,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.10 : 235,928.10 = 131,260.10 : x
  2. Step 2: Convert to fraction form
    157,504.10/235,928.10 = 131,260.10/x
  3. Step 3: Cross multiply
    157,504.10x = 235,928.10 × 131,260.10
  4. Step 4: Simplify right side
    157,504.10x = 30,967,945,998.81
  5. Step 5: Solve for x
    x = 30,967,945,998.81/157,504.10
  6. Step 6: Final answer
    x = 196,616.76

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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.