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Finding the Fourth Proportional to 168,407.15, 252,582.01 and 56,074.62

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Solution

The fourth proportional to 168,407.15, 252,582.01 and 56,074.62 is: 84,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,407.15 : 252,582.01 = 56,074.62 : x
  2. Step 2: Convert to fraction form
    168,407.15/252,582.01 = 56,074.62/x
  3. Step 3: Cross multiply
    168,407.15x = 252,582.01 × 56,074.62
  4. Step 4: Simplify right side
    168,407.15x = 14,163,441,036.58
  5. Step 5: Solve for x
    x = 14,163,441,036.58/168,407.15
  6. Step 6: Final answer
    x = 84,102.38

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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.