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Finding the Fourth Proportional to 152,794.10, 210,850.29 and 84,814.10

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Solution

The fourth proportional to 152,794.10, 210,850.29 and 84,814.10 is: 117,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,794.10 : 210,850.29 = 84,814.10 : x
  2. Step 2: Convert to fraction form
    152,794.10/210,850.29 = 84,814.10/x
  3. Step 3: Cross multiply
    152,794.10x = 210,850.29 × 84,814.10
  4. Step 4: Simplify right side
    152,794.10x = 17,883,077,581.09
  5. Step 5: Solve for x
    x = 17,883,077,581.09/152,794.10
  6. Step 6: Final answer
    x = 117,040.37

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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.