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Finding the Fourth Proportional to 165,254.50, 228,070.65 and 98,186.50

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Solution

The fourth proportional to 165,254.50, 228,070.65 and 98,186.50 is: 135,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,254.50 : 228,070.65 = 98,186.50 : x
  2. Step 2: Convert to fraction form
    165,254.50/228,070.65 = 98,186.50/x
  3. Step 3: Cross multiply
    165,254.50x = 228,070.65 × 98,186.50
  4. Step 4: Simplify right side
    165,254.50x = 22,393,458,876.23
  5. Step 5: Solve for x
    x = 22,393,458,876.23/165,254.50
  6. Step 6: Final answer
    x = 135,508.92

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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.