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Finding the Fourth Proportional to 168,482.88, 252,707.02 and 56,151

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Solution

The fourth proportional to 168,482.88, 252,707.02 and 56,151 is: 84,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,482.88 : 252,707.02 = 56,151 : x
  2. Step 2: Convert to fraction form
    168,482.88/252,707.02 = 56,151/x
  3. Step 3: Cross multiply
    168,482.88x = 252,707.02 × 56,151
  4. Step 4: Simplify right side
    168,482.88x = 14,189,751,880.02
  5. Step 5: Solve for x
    x = 14,189,751,880.02/168,482.88
  6. Step 6: Final answer
    x = 84,220.73

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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.