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Finding the Fourth Proportional to 197,662.92, 296,541.60 and 64,543.44

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Solution

The fourth proportional to 197,662.92, 296,541.60 and 64,543.44 is: 96,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,662.92 : 296,541.60 = 64,543.44 : x
  2. Step 2: Convert to fraction form
    197,662.92/296,541.60 = 64,543.44/x
  3. Step 3: Cross multiply
    197,662.92x = 296,541.60 × 64,543.44
  4. Step 4: Simplify right side
    197,662.92x = 19,139,814,967.10
  5. Step 5: Solve for x
    x = 19,139,814,967.10/197,662.92
  6. Step 6: Final answer
    x = 96,830.58

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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.