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Finding the Fourth Proportional to 168,495.12, 252,801 and 112,559.76

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Solution

The fourth proportional to 168,495.12, 252,801 and 112,559.76 is: 168,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,495.12 : 252,801 = 112,559.76 : x
  2. Step 2: Convert to fraction form
    168,495.12/252,801 = 112,559.76/x
  3. Step 3: Cross multiply
    168,495.12x = 252,801 × 112,559.76
  4. Step 4: Simplify right side
    168,495.12x = 28,455,219,887.76
  5. Step 5: Solve for x
    x = 28,455,219,887.76/168,495.12
  6. Step 6: Final answer
    x = 168,878.60

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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.