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Finding the Fourth Proportional to 330,163.76, 495,442.38 and 119,818.10

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Solution

The fourth proportional to 330,163.76, 495,442.38 and 119,818.10 is: 179,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,163.76 : 495,442.38 = 119,818.10 : x
  2. Step 2: Convert to fraction form
    330,163.76/495,442.38 = 119,818.10/x
  3. Step 3: Cross multiply
    330,163.76x = 495,442.38 × 119,818.10
  4. Step 4: Simplify right side
    330,163.76x = 59,362,964,631.08
  5. Step 5: Solve for x
    x = 59,362,964,631.08/330,163.76
  6. Step 6: Final answer
    x = 179,798.55

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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.