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Finding the Fourth Proportional to 228,807.60, 342,860.52 and 104,002.80

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Solution

The fourth proportional to 228,807.60, 342,860.52 and 104,002.80 is: 155,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,807.60 : 342,860.52 = 104,002.80 : x
  2. Step 2: Convert to fraction form
    228,807.60/342,860.52 = 104,002.80/x
  3. Step 3: Cross multiply
    228,807.60x = 342,860.52 × 104,002.80
  4. Step 4: Simplify right side
    228,807.60x = 35,658,454,089.46
  5. Step 5: Solve for x
    x = 35,658,454,089.46/228,807.60
  6. Step 6: Final answer
    x = 155,844.71

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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.