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Finding the Fourth Proportional to 197,530.22, 296,326.12 and 64,379.58

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Solution

The fourth proportional to 197,530.22, 296,326.12 and 64,379.58 is: 96,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,530.22 : 296,326.12 = 64,379.58 : x
  2. Step 2: Convert to fraction form
    197,530.22/296,326.12 = 64,379.58/x
  3. Step 3: Cross multiply
    197,530.22x = 296,326.12 × 64,379.58
  4. Step 4: Simplify right side
    197,530.22x = 19,077,351,148.63
  5. Step 5: Solve for x
    x = 19,077,351,148.63/197,530.22
  6. Step 6: Final answer
    x = 96,579.41

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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.