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Finding the Fourth Proportional to 523,043.30, 784,698.60 and 168,060.80

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Solution

The fourth proportional to 523,043.30, 784,698.60 and 168,060.80 is: 252,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,043.30 : 784,698.60 = 168,060.80 : x
  2. Step 2: Convert to fraction form
    523,043.30/784,698.60 = 168,060.80/x
  3. Step 3: Cross multiply
    523,043.30x = 784,698.60 × 168,060.80
  4. Step 4: Simplify right side
    523,043.30x = 131,877,074,474.88
  5. Step 5: Solve for x
    x = 131,877,074,474.88/523,043.30
  6. Step 6: Final answer
    x = 252,134.14

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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.