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Finding the Fourth Proportional to 171,779.66, 236,900.62 and 107,254.73

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Solution

The fourth proportional to 171,779.66, 236,900.62 and 107,254.73 is: 147,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,779.66 : 236,900.62 = 107,254.73 : x
  2. Step 2: Convert to fraction form
    171,779.66/236,900.62 = 107,254.73/x
  3. Step 3: Cross multiply
    171,779.66x = 236,900.62 × 107,254.73
  4. Step 4: Simplify right side
    171,779.66x = 25,408,710,582.29
  5. Step 5: Solve for x
    x = 25,408,710,582.29/171,779.66
  6. Step 6: Final answer
    x = 147,914.54

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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.