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Finding the Fourth Proportional to 107,404.86, 161,094.92 and 28,525.26

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Solution

The fourth proportional to 107,404.86, 161,094.92 and 28,525.26 is: 42,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,404.86 : 161,094.92 = 28,525.26 : x
  2. Step 2: Convert to fraction form
    107,404.86/161,094.92 = 28,525.26/x
  3. Step 3: Cross multiply
    107,404.86x = 161,094.92 × 28,525.26
  4. Step 4: Simplify right side
    107,404.86x = 4,595,274,477.68
  5. Step 5: Solve for x
    x = 4,595,274,477.68/107,404.86
  6. Step 6: Final answer
    x = 42,784.60

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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.