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Finding the Fourth Proportional to 211,745.54, 316,095.19 and 181,433.37

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Solution

The fourth proportional to 211,745.54, 316,095.19 and 181,433.37 is: 270,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,745.54 : 316,095.19 = 181,433.37 : x
  2. Step 2: Convert to fraction form
    211,745.54/316,095.19 = 181,433.37/x
  3. Step 3: Cross multiply
    211,745.54x = 316,095.19 × 181,433.37
  4. Step 4: Simplify right side
    211,745.54x = 57,350,214,655.32
  5. Step 5: Solve for x
    x = 57,350,214,655.32/211,745.54
  6. Step 6: Final answer
    x = 270,844.98

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1.5x scale

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.