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Finding the Fourth Proportional to 152,914.73, 211,022.33 and 85,846.73

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Solution

The fourth proportional to 152,914.73, 211,022.33 and 85,846.73 is: 118,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,914.73 : 211,022.33 = 85,846.73 : x
  2. Step 2: Convert to fraction form
    152,914.73/211,022.33 = 85,846.73/x
  3. Step 3: Cross multiply
    152,914.73x = 211,022.33 × 85,846.73
  4. Step 4: Simplify right side
    152,914.73x = 18,115,576,987.48
  5. Step 5: Solve for x
    x = 18,115,576,987.48/152,914.73
  6. Step 6: Final answer
    x = 118,468.49

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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.