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Finding the Fourth Proportional to 92,243.21, 127,309.86 and 55,950.62

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Solution

The fourth proportional to 92,243.21, 127,309.86 and 55,950.62 is: 77,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,243.21 : 127,309.86 = 55,950.62 : x
  2. Step 2: Convert to fraction form
    92,243.21/127,309.86 = 55,950.62/x
  3. Step 3: Cross multiply
    92,243.21x = 127,309.86 × 55,950.62
  4. Step 4: Simplify right side
    92,243.21x = 7,123,064,962.56
  5. Step 5: Solve for x
    x = 7,123,064,962.56/92,243.21
  6. Step 6: Final answer
    x = 77,220.48

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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.