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Finding the Fourth Proportional to 120,052.94, 180,054.80 and 44,125.31

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Solution

The fourth proportional to 120,052.94, 180,054.80 and 44,125.31 is: 66,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,052.94 : 180,054.80 = 44,125.31 : x
  2. Step 2: Convert to fraction form
    120,052.94/180,054.80 = 44,125.31/x
  3. Step 3: Cross multiply
    120,052.94x = 180,054.80 × 44,125.31
  4. Step 4: Simplify right side
    120,052.94x = 7,944,973,701.52
  5. Step 5: Solve for x
    x = 7,944,973,701.52/120,052.94
  6. Step 6: Final answer
    x = 66,178.92

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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.