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Finding the Fourth Proportional to 228,877.04, 343,250.04 and 79,078.16

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Solution

The fourth proportional to 228,877.04, 343,250.04 and 79,078.16 is: 118,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,877.04 : 343,250.04 = 79,078.16 : x
  2. Step 2: Convert to fraction form
    228,877.04/343,250.04 = 79,078.16/x
  3. Step 3: Cross multiply
    228,877.04x = 343,250.04 × 79,078.16
  4. Step 4: Simplify right side
    228,877.04x = 27,143,581,583.13
  5. Step 5: Solve for x
    x = 27,143,581,583.13/228,877.04
  6. Step 6: Final answer
    x = 118,594.60

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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.