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Finding the Fourth Proportional to 163,971, 226,241.10 and 92,336.76

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Solution

The fourth proportional to 163,971, 226,241.10 and 92,336.76 is: 127,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,971 : 226,241.10 = 92,336.76 : x
  2. Step 2: Convert to fraction form
    163,971/226,241.10 = 92,336.76/x
  3. Step 3: Cross multiply
    163,971x = 226,241.10 × 92,336.76
  4. Step 4: Simplify right side
    163,971x = 20,890,370,152.84
  5. Step 5: Solve for x
    x = 20,890,370,152.84/163,971
  6. Step 6: Final answer
    x = 127,402.83

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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.