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Finding the Fourth Proportional to 165,684.94, 228,651.69 and 94,071.63

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Solution

The fourth proportional to 165,684.94, 228,651.69 and 94,071.63 is: 129,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,684.94 : 228,651.69 = 94,071.63 : x
  2. Step 2: Convert to fraction form
    165,684.94/228,651.69 = 94,071.63/x
  3. Step 3: Cross multiply
    165,684.94x = 228,651.69 × 94,071.63
  4. Step 4: Simplify right side
    165,684.94x = 21,509,637,180.55
  5. Step 5: Solve for x
    x = 21,509,637,180.55/165,684.94
  6. Step 6: Final answer
    x = 129,822.52

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1.5x scale

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.