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Finding the Fourth Proportional to 69,595.38, 104,389.26 and 42,946.44

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Solution

The fourth proportional to 69,595.38, 104,389.26 and 42,946.44 is: 64,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,595.38 : 104,389.26 = 42,946.44 : x
  2. Step 2: Convert to fraction form
    69,595.38/104,389.26 = 42,946.44/x
  3. Step 3: Cross multiply
    69,595.38x = 104,389.26 × 42,946.44
  4. Step 4: Simplify right side
    69,595.38x = 4,483,147,091.23
  5. Step 5: Solve for x
    x = 4,483,147,091.23/69,595.38
  6. Step 6: Final answer
    x = 64,417.31

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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.