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Finding the Fourth Proportional to 228,099.80, 319,864.60 and 228,099.80

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Solution

The fourth proportional to 228,099.80, 319,864.60 and 228,099.80 is: 319,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,099.80 : 319,864.60 = 228,099.80 : x
  2. Step 2: Convert to fraction form
    228,099.80/319,864.60 = 228,099.80/x
  3. Step 3: Cross multiply
    228,099.80x = 319,864.60 × 228,099.80
  4. Step 4: Simplify right side
    228,099.80x = 72,961,051,287.08
  5. Step 5: Solve for x
    x = 72,961,051,287.08/228,099.80
  6. Step 6: Final answer
    x = 319,864.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.