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Finding the Fourth Proportional to 173,487, 239,412.06 and 93,999

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Solution

The fourth proportional to 173,487, 239,412.06 and 93,999 is: 129,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,487 : 239,412.06 = 93,999 : x
  2. Step 2: Convert to fraction form
    173,487/239,412.06 = 93,999/x
  3. Step 3: Cross multiply
    173,487x = 239,412.06 × 93,999
  4. Step 4: Simplify right side
    173,487x = 22,504,494,227.94
  5. Step 5: Solve for x
    x = 22,504,494,227.94/173,487
  6. Step 6: Final answer
    x = 129,718.62

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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.