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Finding the Fourth Proportional to 116,929.78, 175,300.81 and 79,502.92

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Solution

The fourth proportional to 116,929.78, 175,300.81 and 79,502.92 is: 119,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,929.78 : 175,300.81 = 79,502.92 : x
  2. Step 2: Convert to fraction form
    116,929.78/175,300.81 = 79,502.92/x
  3. Step 3: Cross multiply
    116,929.78x = 175,300.81 × 79,502.92
  4. Step 4: Simplify right side
    116,929.78x = 13,936,925,636.36
  5. Step 5: Solve for x
    x = 13,936,925,636.36/116,929.78
  6. Step 6: Final answer
    x = 119,190.56

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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.