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Finding the Fourth Proportional to 92,406.92, 127,521.64 and 49,965.44

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Solution

The fourth proportional to 92,406.92, 127,521.64 and 49,965.44 is: 68,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,406.92 : 127,521.64 = 49,965.44 : x
  2. Step 2: Convert to fraction form
    92,406.92/127,521.64 = 49,965.44/x
  3. Step 3: Cross multiply
    92,406.92x = 127,521.64 × 49,965.44
  4. Step 4: Simplify right side
    92,406.92x = 6,371,674,852.12
  5. Step 5: Solve for x
    x = 6,371,674,852.12/92,406.92
  6. Step 6: Final answer
    x = 68,952.36

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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.