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Finding the Fourth Proportional to 319,493.02, 479,157.45 and 94,800.30

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Solution

The fourth proportional to 319,493.02, 479,157.45 and 94,800.30 is: 142,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,493.02 : 479,157.45 = 94,800.30 : x
  2. Step 2: Convert to fraction form
    319,493.02/479,157.45 = 94,800.30/x
  3. Step 3: Cross multiply
    319,493.02x = 479,157.45 × 94,800.30
  4. Step 4: Simplify right side
    319,493.02x = 45,424,270,007.24
  5. Step 5: Solve for x
    x = 45,424,270,007.24/319,493.02
  6. Step 6: Final answer
    x = 142,176.10

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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.