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Finding the Fourth Proportional to 173,661.47, 239,662.93 and 97,179.91

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Solution

The fourth proportional to 173,661.47, 239,662.93 and 97,179.91 is: 134,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,661.47 : 239,662.93 = 97,179.91 : x
  2. Step 2: Convert to fraction form
    173,661.47/239,662.93 = 97,179.91/x
  3. Step 3: Cross multiply
    173,661.47x = 239,662.93 × 97,179.91
  4. Step 4: Simplify right side
    173,661.47x = 23,290,422,719.65
  5. Step 5: Solve for x
    x = 23,290,422,719.65/173,661.47
  6. Step 6: Final answer
    x = 134,113.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.