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Finding the Fourth Proportional to 163,074.80, 244,381.80 and 120,623.60

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Solution

The fourth proportional to 163,074.80, 244,381.80 and 120,623.60 is: 180,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.80 : 244,381.80 = 120,623.60 : x
  2. Step 2: Convert to fraction form
    163,074.80/244,381.80 = 120,623.60/x
  3. Step 3: Cross multiply
    163,074.80x = 244,381.80 × 120,623.60
  4. Step 4: Simplify right side
    163,074.80x = 29,478,212,490.48
  5. Step 5: Solve for x
    x = 29,478,212,490.48/163,074.80
  6. Step 6: Final answer
    x = 180,764.98

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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.