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Finding the Fourth Proportional to 292,751.88, 404,005.50 and 165,424.56

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Solution

The fourth proportional to 292,751.88, 404,005.50 and 165,424.56 is: 228,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,751.88 : 404,005.50 = 165,424.56 : x
  2. Step 2: Convert to fraction form
    292,751.88/404,005.50 = 165,424.56/x
  3. Step 3: Cross multiply
    292,751.88x = 404,005.50 × 165,424.56
  4. Step 4: Simplify right side
    292,751.88x = 66,832,432,075.08
  5. Step 5: Solve for x
    x = 66,832,432,075.08/292,751.88
  6. Step 6: Final answer
    x = 228,290.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.