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Finding the Fourth Proportional to 165,364.63, 228,234.88 and 93,744.93

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Solution

The fourth proportional to 165,364.63, 228,234.88 and 93,744.93 is: 129,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,364.63 : 228,234.88 = 93,744.93 : x
  2. Step 2: Convert to fraction form
    165,364.63/228,234.88 = 93,744.93/x
  3. Step 3: Cross multiply
    165,364.63x = 228,234.88 × 93,744.93
  4. Step 4: Simplify right side
    165,364.63x = 21,395,862,849.16
  5. Step 5: Solve for x
    x = 21,395,862,849.16/165,364.63
  6. Step 6: Final answer
    x = 129,385.97

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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.