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Finding the Fourth Proportional to 92,406.96, 127,521.66 and 49,965.48

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Solution

The fourth proportional to 92,406.96, 127,521.66 and 49,965.48 is: 68,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,406.96 : 127,521.66 = 49,965.48 : x
  2. Step 2: Convert to fraction form
    92,406.96/127,521.66 = 49,965.48/x
  3. Step 3: Cross multiply
    92,406.96x = 127,521.66 × 49,965.48
  4. Step 4: Simplify right side
    92,406.96x = 6,371,680,952.30
  5. Step 5: Solve for x
    x = 6,371,680,952.30/92,406.96
  6. Step 6: Final answer
    x = 68,952.39

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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.