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Finding the Fourth Proportional to 210,227.70, 290,103.57 and 114,733.62

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Solution

The fourth proportional to 210,227.70, 290,103.57 and 114,733.62 is: 158,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,227.70 : 290,103.57 = 114,733.62 : x
  2. Step 2: Convert to fraction form
    210,227.70/290,103.57 = 114,733.62/x
  3. Step 3: Cross multiply
    210,227.70x = 290,103.57 × 114,733.62
  4. Step 4: Simplify right side
    210,227.70x = 33,284,632,761.02
  5. Step 5: Solve for x
    x = 33,284,632,761.02/210,227.70
  6. Step 6: Final answer
    x = 158,326.58

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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.