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Finding the Fourth Proportional to 152,797.97, 210,850.64 and 84,809.59

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Solution

The fourth proportional to 152,797.97, 210,850.64 and 84,809.59 is: 117,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,797.97 : 210,850.64 = 84,809.59 : x
  2. Step 2: Convert to fraction form
    152,797.97/210,850.64 = 84,809.59/x
  3. Step 3: Cross multiply
    152,797.97x = 210,850.64 × 84,809.59
  4. Step 4: Simplify right side
    152,797.97x = 17,882,156,169.15
  5. Step 5: Solve for x
    x = 17,882,156,169.15/152,797.97
  6. Step 6: Final answer
    x = 117,031.38

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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.