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Finding the Fourth Proportional to 196,751.92, 295,096.42 and 70,368.57

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Solution

The fourth proportional to 196,751.92, 295,096.42 and 70,368.57 is: 105,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,751.92 : 295,096.42 = 70,368.57 : x
  2. Step 2: Convert to fraction form
    196,751.92/295,096.42 = 70,368.57/x
  3. Step 3: Cross multiply
    196,751.92x = 295,096.42 × 70,368.57
  4. Step 4: Simplify right side
    196,751.92x = 20,765,513,087.52
  5. Step 5: Solve for x
    x = 20,765,513,087.52/196,751.92
  6. Step 6: Final answer
    x = 105,541.60

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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.