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Finding the Fourth Proportional to 196,750.48, 294,950.40 and 72,062.32

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Solution

The fourth proportional to 196,750.48, 294,950.40 and 72,062.32 is: 108,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,750.48 : 294,950.40 = 72,062.32 : x
  2. Step 2: Convert to fraction form
    196,750.48/294,950.40 = 72,062.32/x
  3. Step 3: Cross multiply
    196,750.48x = 294,950.40 × 72,062.32
  4. Step 4: Simplify right side
    196,750.48x = 21,254,810,108.93
  5. Step 5: Solve for x
    x = 21,254,810,108.93/196,750.48
  6. Step 6: Final answer
    x = 108,029.27

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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.