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Finding the Fourth Proportional to 173,616, 239,590.08 and 94,128

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Solution

The fourth proportional to 173,616, 239,590.08 and 94,128 is: 129,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,616 : 239,590.08 = 94,128 : x
  2. Step 2: Convert to fraction form
    173,616/239,590.08 = 94,128/x
  3. Step 3: Cross multiply
    173,616x = 239,590.08 × 94,128
  4. Step 4: Simplify right side
    173,616x = 22,552,135,050.24
  5. Step 5: Solve for x
    x = 22,552,135,050.24/173,616
  6. Step 6: Final answer
    x = 129,896.64

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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.