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Finding the Fourth Proportional to 92,309.84, 127,394.30 and 51,476.73

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Solution

The fourth proportional to 92,309.84, 127,394.30 and 51,476.73 is: 71,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,309.84 : 127,394.30 = 51,476.73 : x
  2. Step 2: Convert to fraction form
    92,309.84/127,394.30 = 51,476.73/x
  3. Step 3: Cross multiply
    92,309.84x = 127,394.30 × 51,476.73
  4. Step 4: Simplify right side
    92,309.84x = 6,557,841,984.64
  5. Step 5: Solve for x
    x = 6,557,841,984.64/92,309.84
  6. Step 6: Final answer
    x = 71,041.64

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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.