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Finding the Fourth Proportional to 311,992.52, 468,047.08 and 125,018.60

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Solution

The fourth proportional to 311,992.52, 468,047.08 and 125,018.60 is: 187,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,992.52 : 468,047.08 = 125,018.60 : x
  2. Step 2: Convert to fraction form
    311,992.52/468,047.08 = 125,018.60/x
  3. Step 3: Cross multiply
    311,992.52x = 468,047.08 × 125,018.60
  4. Step 4: Simplify right side
    311,992.52x = 58,514,590,675.69
  5. Step 5: Solve for x
    x = 58,514,590,675.69/311,992.52
  6. Step 6: Final answer
    x = 187,551.26

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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.