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Finding the Fourth Proportional to 165,640.71, 228,586.95 and 94,022.94

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Solution

The fourth proportional to 165,640.71, 228,586.95 and 94,022.94 is: 129,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,640.71 : 228,586.95 = 94,022.94 : x
  2. Step 2: Convert to fraction form
    165,640.71/228,586.95 = 94,022.94/x
  3. Step 3: Cross multiply
    165,640.71x = 228,586.95 × 94,022.94
  4. Step 4: Simplify right side
    165,640.71x = 21,492,417,084.63
  5. Step 5: Solve for x
    x = 21,492,417,084.63/165,640.71
  6. Step 6: Final answer
    x = 129,753.23

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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.