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Finding the Fourth Proportional to 173,868.94, 239,945.04 and 97,391.32

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Solution

The fourth proportional to 173,868.94, 239,945.04 and 97,391.32 is: 134,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.94 : 239,945.04 = 97,391.32 : x
  2. Step 2: Convert to fraction form
    173,868.94/239,945.04 = 97,391.32/x
  3. Step 3: Cross multiply
    173,868.94x = 239,945.04 × 97,391.32
  4. Step 4: Simplify right side
    173,868.94x = 23,368,564,173.05
  5. Step 5: Solve for x
    x = 23,368,564,173.05/173,868.94
  6. Step 6: Final answer
    x = 134,403.33

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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.