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Finding the Fourth Proportional to 92,228.80, 127,270.56 and 54,506.56

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Solution

The fourth proportional to 92,228.80, 127,270.56 and 54,506.56 is: 75,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,228.80 : 127,270.56 = 54,506.56 : x
  2. Step 2: Convert to fraction form
    92,228.80/127,270.56 = 54,506.56/x
  3. Step 3: Cross multiply
    92,228.80x = 127,270.56 × 54,506.56
  4. Step 4: Simplify right side
    92,228.80x = 6,937,080,414.87
  5. Step 5: Solve for x
    x = 6,937,080,414.87/92,228.80
  6. Step 6: Final answer
    x = 75,215.99

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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.