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Finding the Fourth Proportional to 165,689.69, 228,644.91 and 94,073.67

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Solution

The fourth proportional to 165,689.69, 228,644.91 and 94,073.67 is: 129,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,689.69 : 228,644.91 = 94,073.67 : x
  2. Step 2: Convert to fraction form
    165,689.69/228,644.91 = 94,073.67/x
  3. Step 3: Cross multiply
    165,689.69x = 228,644.91 × 94,073.67
  4. Step 4: Simplify right side
    165,689.69x = 21,509,465,810.52
  5. Step 5: Solve for x
    x = 21,509,465,810.52/165,689.69
  6. Step 6: Final answer
    x = 129,817.77

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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.