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Finding the Fourth Proportional to 168,713.88, 252,987.36 and 56,355.48

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Solution

The fourth proportional to 168,713.88, 252,987.36 and 56,355.48 is: 84,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,713.88 : 252,987.36 = 56,355.48 : x
  2. Step 2: Convert to fraction form
    168,713.88/252,987.36 = 56,355.48/x
  3. Step 3: Cross multiply
    168,713.88x = 252,987.36 × 56,355.48
  4. Step 4: Simplify right side
    168,713.88x = 14,257,224,106.73
  5. Step 5: Solve for x
    x = 14,257,224,106.73/168,713.88
  6. Step 6: Final answer
    x = 84,505.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.