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Finding the Fourth Proportional to 319,151.80, 478,797.90 and 94,529.80

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Solution

The fourth proportional to 319,151.80, 478,797.90 and 94,529.80 is: 141,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,151.80 : 478,797.90 = 94,529.80 : x
  2. Step 2: Convert to fraction form
    319,151.80/478,797.90 = 94,529.80/x
  3. Step 3: Cross multiply
    319,151.80x = 478,797.90 × 94,529.80
  4. Step 4: Simplify right side
    319,151.80x = 45,260,669,727.42
  5. Step 5: Solve for x
    x = 45,260,669,727.42/319,151.80
  6. Step 6: Final answer
    x = 141,815.49

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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.