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Finding the Fourth Proportional to 79,077.63, 118,616.53 and 32,330.51

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Solution

The fourth proportional to 79,077.63, 118,616.53 and 32,330.51 is: 48,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,077.63 : 118,616.53 = 32,330.51 : x
  2. Step 2: Convert to fraction form
    79,077.63/118,616.53 = 32,330.51/x
  3. Step 3: Cross multiply
    79,077.63x = 118,616.53 × 32,330.51
  4. Step 4: Simplify right side
    79,077.63x = 3,834,932,909.33
  5. Step 5: Solve for x
    x = 3,834,932,909.33/79,077.63
  6. Step 6: Final answer
    x = 48,495.80

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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.