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Finding the Fourth Proportional to 75,042.99, 112,541.00 and 25,111.42

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Solution

The fourth proportional to 75,042.99, 112,541.00 and 25,111.42 is: 37,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.99 : 112,541.00 = 25,111.42 : x
  2. Step 2: Convert to fraction form
    75,042.99/112,541.00 = 25,111.42/x
  3. Step 3: Cross multiply
    75,042.99x = 112,541.00 × 25,111.42
  4. Step 4: Simplify right side
    75,042.99x = 2,826,063,911.31
  5. Step 5: Solve for x
    x = 2,826,063,911.31/75,042.99
  6. Step 6: Final answer
    x = 37,659.27

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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.