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Finding the Fourth Proportional to 173,074.50, 238,842.81 and 93,586.50

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Solution

The fourth proportional to 173,074.50, 238,842.81 and 93,586.50 is: 129,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.50 : 238,842.81 = 93,586.50 : x
  2. Step 2: Convert to fraction form
    173,074.50/238,842.81 = 93,586.50/x
  3. Step 3: Cross multiply
    173,074.50x = 238,842.81 × 93,586.50
  4. Step 4: Simplify right side
    173,074.50x = 22,352,462,638.07
  5. Step 5: Solve for x
    x = 22,352,462,638.07/173,074.50
  6. Step 6: Final answer
    x = 129,149.37

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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.