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Finding the Fourth Proportional to 196,752.34, 295,190.79 and 70,389.79

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Solution

The fourth proportional to 196,752.34, 295,190.79 and 70,389.79 is: 105,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,752.34 : 295,190.79 = 70,389.79 : x
  2. Step 2: Convert to fraction form
    196,752.34/295,190.79 = 70,389.79/x
  3. Step 3: Cross multiply
    196,752.34x = 295,190.79 × 70,389.79
  4. Step 4: Simplify right side
    196,752.34x = 20,778,418,360.16
  5. Step 5: Solve for x
    x = 20,778,418,360.16/196,752.34
  6. Step 6: Final answer
    x = 105,606.97

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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.