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Finding the Fourth Proportional to 213,083.40, 319,625.10 and 175,029.60

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Solution

The fourth proportional to 213,083.40, 319,625.10 and 175,029.60 is: 262,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,083.40 : 319,625.10 = 175,029.60 : x
  2. Step 2: Convert to fraction form
    213,083.40/319,625.10 = 175,029.60/x
  3. Step 3: Cross multiply
    213,083.40x = 319,625.10 × 175,029.60
  4. Step 4: Simplify right side
    213,083.40x = 55,943,853,402.96
  5. Step 5: Solve for x
    x = 55,943,853,402.96/213,083.40
  6. Step 6: Final answer
    x = 262,544.40

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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.