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Finding the Fourth Proportional to 152,840.44, 210,910.28 and 84,853.44

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Solution

The fourth proportional to 152,840.44, 210,910.28 and 84,853.44 is: 117,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840.44 : 210,910.28 = 84,853.44 : x
  2. Step 2: Convert to fraction form
    152,840.44/210,910.28 = 84,853.44/x
  3. Step 3: Cross multiply
    152,840.44x = 210,910.28 × 84,853.44
  4. Step 4: Simplify right side
    152,840.44x = 17,896,462,789.36
  5. Step 5: Solve for x
    x = 17,896,462,789.36/152,840.44
  6. Step 6: Final answer
    x = 117,092.46

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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.