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Finding the Fourth Proportional to 197,678.68, 296,536.22 and 64,559.64

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Solution

The fourth proportional to 197,678.68, 296,536.22 and 64,559.64 is: 96,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678.68 : 296,536.22 = 64,559.64 : x
  2. Step 2: Convert to fraction form
    197,678.68/296,536.22 = 64,559.64/x
  3. Step 3: Cross multiply
    197,678.68x = 296,536.22 × 64,559.64
  4. Step 4: Simplify right side
    197,678.68x = 19,144,271,610.16
  5. Step 5: Solve for x
    x = 19,144,271,610.16/197,678.68
  6. Step 6: Final answer
    x = 96,845.40

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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.