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Finding the Fourth Proportional to 211,751.99, 292,222.87 and 114,959.82

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Solution

The fourth proportional to 211,751.99, 292,222.87 and 114,959.82 is: 158,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,751.99 : 292,222.87 = 114,959.82 : x
  2. Step 2: Convert to fraction form
    211,751.99/292,222.87 = 114,959.82/x
  3. Step 3: Cross multiply
    211,751.99x = 292,222.87 × 114,959.82
  4. Step 4: Simplify right side
    211,751.99x = 33,593,888,247.68
  5. Step 5: Solve for x
    x = 33,593,888,247.68/211,751.99
  6. Step 6: Final answer
    x = 158,647.34

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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.