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Finding the Fourth Proportional to 152,251.60, 210,104.66 and 84,267.12

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Solution

The fourth proportional to 152,251.60, 210,104.66 and 84,267.12 is: 116,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,251.60 : 210,104.66 = 84,267.12 : x
  2. Step 2: Convert to fraction form
    152,251.60/210,104.66 = 84,267.12/x
  3. Step 3: Cross multiply
    152,251.60x = 210,104.66 × 84,267.12
  4. Step 4: Simplify right side
    152,251.60x = 17,704,914,175.44
  5. Step 5: Solve for x
    x = 17,704,914,175.44/152,251.60
  6. Step 6: Final answer
    x = 116,287.21

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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.