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Finding the Fourth Proportional to 141,456.96, 212,185.44 and 67,360.32

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Solution

The fourth proportional to 141,456.96, 212,185.44 and 67,360.32 is: 101,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.96 : 212,185.44 = 67,360.32 : x
  2. Step 2: Convert to fraction form
    141,456.96/212,185.44 = 67,360.32/x
  3. Step 3: Cross multiply
    141,456.96x = 212,185.44 × 67,360.32
  4. Step 4: Simplify right side
    141,456.96x = 14,292,879,137.74
  5. Step 5: Solve for x
    x = 14,292,879,137.74/141,456.96
  6. Step 6: Final answer
    x = 101,040.48

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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.