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Finding the Fourth Proportional to 119,342.81, 179,014.45 and 30,596.63

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Solution

The fourth proportional to 119,342.81, 179,014.45 and 30,596.63 is: 45,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,342.81 : 179,014.45 = 30,596.63 : x
  2. Step 2: Convert to fraction form
    119,342.81/179,014.45 = 30,596.63/x
  3. Step 3: Cross multiply
    119,342.81x = 179,014.45 × 30,596.63
  4. Step 4: Simplify right side
    119,342.81x = 5,477,238,738.32
  5. Step 5: Solve for x
    x = 5,477,238,738.32/119,342.81
  6. Step 6: Final answer
    x = 45,895.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.