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Finding the Fourth Proportional to 107,392.62, 161,108.75 and 35,349.60

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Solution

The fourth proportional to 107,392.62, 161,108.75 and 35,349.60 is: 53,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.62 : 161,108.75 = 35,349.60 : x
  2. Step 2: Convert to fraction form
    107,392.62/161,108.75 = 35,349.60/x
  3. Step 3: Cross multiply
    107,392.62x = 161,108.75 × 35,349.60
  4. Step 4: Simplify right side
    107,392.62x = 5,695,129,692.25
  5. Step 5: Solve for x
    x = 5,695,129,692.25/107,392.62
  6. Step 6: Final answer
    x = 53,030.92

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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.