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Finding the Fourth Proportional to 323,803.02, 485,410.48 and 113,326.14

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Solution

The fourth proportional to 323,803.02, 485,410.48 and 113,326.14 is: 169,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,803.02 : 485,410.48 = 113,326.14 : x
  2. Step 2: Convert to fraction form
    323,803.02/485,410.48 = 113,326.14/x
  3. Step 3: Cross multiply
    323,803.02x = 485,410.48 × 113,326.14
  4. Step 4: Simplify right side
    323,803.02x = 55,009,696,013.95
  5. Step 5: Solve for x
    x = 55,009,696,013.95/323,803.02
  6. Step 6: Final answer
    x = 169,886.30

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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.