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Finding the Fourth Proportional to 264,030.42, 396,068.92 and 74,492.45

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Solution

The fourth proportional to 264,030.42, 396,068.92 and 74,492.45 is: 111,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,030.42 : 396,068.92 = 74,492.45 : x
  2. Step 2: Convert to fraction form
    264,030.42/396,068.92 = 74,492.45/x
  3. Step 3: Cross multiply
    264,030.42x = 396,068.92 × 74,492.45
  4. Step 4: Simplify right side
    264,030.42x = 29,504,144,219.65
  5. Step 5: Solve for x
    x = 29,504,144,219.65/264,030.42
  6. Step 6: Final answer
    x = 111,745.25

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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.