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Finding the Fourth Proportional to 173,003, 238,744.16 and 93,515

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Solution

The fourth proportional to 173,003, 238,744.16 and 93,515 is: 129,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,003 : 238,744.16 = 93,515 : x
  2. Step 2: Convert to fraction form
    173,003/238,744.16 = 93,515/x
  3. Step 3: Cross multiply
    173,003x = 238,744.16 × 93,515
  4. Step 4: Simplify right side
    173,003x = 22,326,160,122.40
  5. Step 5: Solve for x
    x = 22,326,160,122.40/173,003
  6. Step 6: Final answer
    x = 129,050.71

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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.