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Finding the Fourth Proportional to 263,804.10, 395,702.58 and 64,123.92

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Solution

The fourth proportional to 263,804.10, 395,702.58 and 64,123.92 is: 96,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,804.10 : 395,702.58 = 64,123.92 : x
  2. Step 2: Convert to fraction form
    263,804.10/395,702.58 = 64,123.92/x
  3. Step 3: Cross multiply
    263,804.10x = 395,702.58 × 64,123.92
  4. Step 4: Simplify right side
    263,804.10x = 25,374,000,583.71
  5. Step 5: Solve for x
    x = 25,374,000,583.71/263,804.10
  6. Step 6: Final answer
    x = 96,185.01

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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.