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Finding the Fourth Proportional to 323,598.01, 485,615.72 and 113,237.77

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Solution

The fourth proportional to 323,598.01, 485,615.72 and 113,237.77 is: 169,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,598.01 : 485,615.72 = 113,237.77 : x
  2. Step 2: Convert to fraction form
    323,598.01/485,615.72 = 113,237.77/x
  3. Step 3: Cross multiply
    323,598.01x = 485,615.72 × 113,237.77
  4. Step 4: Simplify right side
    323,598.01x = 54,990,041,209.74
  5. Step 5: Solve for x
    x = 54,990,041,209.74/323,598.01
  6. Step 6: Final answer
    x = 169,933.19

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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.