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Finding the Fourth Proportional to 102,089.94, 140,874.46 and 94,566.66

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Solution

The fourth proportional to 102,089.94, 140,874.46 and 94,566.66 is: 130,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.94 : 140,874.46 = 94,566.66 : x
  2. Step 2: Convert to fraction form
    102,089.94/140,874.46 = 94,566.66/x
  3. Step 3: Cross multiply
    102,089.94x = 140,874.46 × 94,566.66
  4. Step 4: Simplify right side
    102,089.94x = 13,322,027,161.50
  5. Step 5: Solve for x
    x = 13,322,027,161.50/102,089.94
  6. Step 6: Final answer
    x = 130,493.05

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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.