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Finding the Fourth Proportional to 191,040.40, 263,620.20 and 114,576.40

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Solution

The fourth proportional to 191,040.40, 263,620.20 and 114,576.40 is: 158,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,040.40 : 263,620.20 = 114,576.40 : x
  2. Step 2: Convert to fraction form
    191,040.40/263,620.20 = 114,576.40/x
  3. Step 3: Cross multiply
    191,040.40x = 263,620.20 × 114,576.40
  4. Step 4: Simplify right side
    191,040.40x = 30,204,653,483.28
  5. Step 5: Solve for x
    x = 30,204,653,483.28/191,040.40
  6. Step 6: Final answer
    x = 158,106.10

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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.