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Finding the Fourth Proportional to 228,810.60, 342,865.02 and 104,005.80

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Solution

The fourth proportional to 228,810.60, 342,865.02 and 104,005.80 is: 155,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,810.60 : 342,865.02 = 104,005.80 : x
  2. Step 2: Convert to fraction form
    228,810.60/342,865.02 = 104,005.80/x
  3. Step 3: Cross multiply
    228,810.60x = 342,865.02 × 104,005.80
  4. Step 4: Simplify right side
    228,810.60x = 35,659,950,697.12
  5. Step 5: Solve for x
    x = 35,659,950,697.12/228,810.60
  6. Step 6: Final answer
    x = 155,849.21

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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.