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Finding the Fourth Proportional to 92,490.88, 127,637.76 and 50,049.42

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Solution

The fourth proportional to 92,490.88, 127,637.76 and 50,049.42 is: 69,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,490.88 : 127,637.76 = 50,049.42 : x
  2. Step 2: Convert to fraction form
    92,490.88/127,637.76 = 50,049.42/x
  3. Step 3: Cross multiply
    92,490.88x = 127,637.76 × 50,049.42
  4. Step 4: Simplify right side
    92,490.88x = 6,388,195,858.10
  5. Step 5: Solve for x
    x = 6,388,195,858.10/92,490.88
  6. Step 6: Final answer
    x = 69,068.39

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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.