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Finding the Fourth Proportional to 132,804.76, 199,246.04 and 42,845.65

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Solution

The fourth proportional to 132,804.76, 199,246.04 and 42,845.65 is: 64,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.76 : 199,246.04 = 42,845.65 : x
  2. Step 2: Convert to fraction form
    132,804.76/199,246.04 = 42,845.65/x
  3. Step 3: Cross multiply
    132,804.76x = 199,246.04 × 42,845.65
  4. Step 4: Simplify right side
    132,804.76x = 8,536,825,702.73
  5. Step 5: Solve for x
    x = 8,536,825,702.73/132,804.76
  6. Step 6: Final answer
    x = 64,281.02

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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.