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Finding the Fourth Proportional to 73,000.44, 109,490.94 and 46,428.39

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Solution

The fourth proportional to 73,000.44, 109,490.94 and 46,428.39 is: 69,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,000.44 : 109,490.94 = 46,428.39 : x
  2. Step 2: Convert to fraction form
    73,000.44/109,490.94 = 46,428.39/x
  3. Step 3: Cross multiply
    73,000.44x = 109,490.94 × 46,428.39
  4. Step 4: Simplify right side
    73,000.44x = 5,083,488,063.79
  5. Step 5: Solve for x
    x = 5,083,488,063.79/73,000.44
  6. Step 6: Final answer
    x = 69,636.40

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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.