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Finding the Fourth Proportional to 228,808.60, 342,862.02 and 104,003.80

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Solution

The fourth proportional to 228,808.60, 342,862.02 and 104,003.80 is: 155,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,808.60 : 342,862.02 = 104,003.80 : x
  2. Step 2: Convert to fraction form
    228,808.60/342,862.02 = 104,003.80/x
  3. Step 3: Cross multiply
    228,808.60x = 342,862.02 × 104,003.80
  4. Step 4: Simplify right side
    228,808.60x = 35,658,952,955.68
  5. Step 5: Solve for x
    x = 35,658,952,955.68/228,808.60
  6. Step 6: Final answer
    x = 155,846.21

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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.