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Finding the Fourth Proportional to 168,670.07, 252,919.13 and 56,309.90

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Solution

The fourth proportional to 168,670.07, 252,919.13 and 56,309.90 is: 84,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,670.07 : 252,919.13 = 56,309.90 : x
  2. Step 2: Convert to fraction form
    168,670.07/252,919.13 = 56,309.90/x
  3. Step 3: Cross multiply
    168,670.07x = 252,919.13 × 56,309.90
  4. Step 4: Simplify right side
    168,670.07x = 14,241,849,372.24
  5. Step 5: Solve for x
    x = 14,241,849,372.24/168,670.07
  6. Step 6: Final answer
    x = 84,436.14

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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.