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Finding the Fourth Proportional to 228,174.80, 314,893.02 and 131,393.02

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Solution

The fourth proportional to 228,174.80, 314,893.02 and 131,393.02 is: 181,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,174.80 : 314,893.02 = 131,393.02 : x
  2. Step 2: Convert to fraction form
    228,174.80/314,893.02 = 131,393.02/x
  3. Step 3: Cross multiply
    228,174.80x = 314,893.02 × 131,393.02
  4. Step 4: Simplify right side
    228,174.80x = 41,374,744,874.72
  5. Step 5: Solve for x
    x = 41,374,744,874.72/228,174.80
  6. Step 6: Final answer
    x = 181,329.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.