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Finding the Fourth Proportional to 239,485.50, 330,486.35 and 132,052.77

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Solution

The fourth proportional to 239,485.50, 330,486.35 and 132,052.77 is: 182,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,485.50 : 330,486.35 = 132,052.77 : x
  2. Step 2: Convert to fraction form
    239,485.50/330,486.35 = 132,052.77/x
  3. Step 3: Cross multiply
    239,485.50x = 330,486.35 × 132,052.77
  4. Step 4: Simplify right side
    239,485.50x = 43,641,637,304.43
  5. Step 5: Solve for x
    x = 43,641,637,304.43/239,485.50
  6. Step 6: Final answer
    x = 182,230.81

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1.5x scale

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.