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Finding the Fourth Proportional to 92,276.82, 127,347.80 and 51,986.21

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Solution

The fourth proportional to 92,276.82, 127,347.80 and 51,986.21 is: 71,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,276.82 : 127,347.80 = 51,986.21 : x
  2. Step 2: Convert to fraction form
    92,276.82/127,347.80 = 51,986.21/x
  3. Step 3: Cross multiply
    92,276.82x = 127,347.80 × 51,986.21
  4. Step 4: Simplify right side
    92,276.82x = 6,620,328,577.17
  5. Step 5: Solve for x
    x = 6,620,328,577.17/92,276.82
  6. Step 6: Final answer
    x = 71,744.22

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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.