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Finding the Fourth Proportional to 79,083, 118,624.62 and 32,335.80

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Solution

The fourth proportional to 79,083, 118,624.62 and 32,335.80 is: 48,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083 : 118,624.62 = 32,335.80 : x
  2. Step 2: Convert to fraction form
    79,083/118,624.62 = 32,335.80/x
  3. Step 3: Cross multiply
    79,083x = 118,624.62 × 32,335.80
  4. Step 4: Simplify right side
    79,083x = 3,835,821,987.40
  5. Step 5: Solve for x
    x = 3,835,821,987.40/79,083
  6. Step 6: Final answer
    x = 48,503.75

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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.