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Finding the Fourth Proportional to 152,820.67, 210,882.48 and 84,834.33

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Solution

The fourth proportional to 152,820.67, 210,882.48 and 84,834.33 is: 117,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,820.67 : 210,882.48 = 84,834.33 : x
  2. Step 2: Convert to fraction form
    152,820.67/210,882.48 = 84,834.33/x
  3. Step 3: Cross multiply
    152,820.67x = 210,882.48 × 84,834.33
  4. Step 4: Simplify right side
    152,820.67x = 17,890,073,899.54
  5. Step 5: Solve for x
    x = 17,890,073,899.54/152,820.67
  6. Step 6: Final answer
    x = 117,065.80

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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.