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Finding the Fourth Proportional to 116,078.74, 174,059.79 and 53,792.98

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Solution

The fourth proportional to 116,078.74, 174,059.79 and 53,792.98 is: 80,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,078.74 : 174,059.79 = 53,792.98 : x
  2. Step 2: Convert to fraction form
    116,078.74/174,059.79 = 53,792.98/x
  3. Step 3: Cross multiply
    116,078.74x = 174,059.79 × 53,792.98
  4. Step 4: Simplify right side
    116,078.74x = 9,363,194,802.27
  5. Step 5: Solve for x
    x = 9,363,194,802.27/116,078.74
  6. Step 6: Final answer
    x = 80,662.44

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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.