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Finding the Fourth Proportional to 109,418.92, 151,041.60 and 94,044.60

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Solution

The fourth proportional to 109,418.92, 151,041.60 and 94,044.60 is: 129,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,418.92 : 151,041.60 = 94,044.60 : x
  2. Step 2: Convert to fraction form
    109,418.92/151,041.60 = 94,044.60/x
  3. Step 3: Cross multiply
    109,418.92x = 151,041.60 × 94,044.60
  4. Step 4: Simplify right side
    109,418.92x = 14,204,646,855.36
  5. Step 5: Solve for x
    x = 14,204,646,855.36/109,418.92
  6. Step 6: Final answer
    x = 129,818.93

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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.