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Finding the Fourth Proportional to 154,558.80, 231,838.20 and 119,523.60

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Solution

The fourth proportional to 154,558.80, 231,838.20 and 119,523.60 is: 179,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,558.80 : 231,838.20 = 119,523.60 : x
  2. Step 2: Convert to fraction form
    154,558.80/231,838.20 = 119,523.60/x
  3. Step 3: Cross multiply
    154,558.80x = 231,838.20 × 119,523.60
  4. Step 4: Simplify right side
    154,558.80x = 27,710,136,281.52
  5. Step 5: Solve for x
    x = 27,710,136,281.52/154,558.80
  6. Step 6: Final answer
    x = 179,285.40

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1.5x scale

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.