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Finding the Fourth Proportional to 92,428.92, 127,551.33 and 49,987.35

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Solution

The fourth proportional to 92,428.92, 127,551.33 and 49,987.35 is: 68,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,428.92 : 127,551.33 = 49,987.35 : x
  2. Step 2: Convert to fraction form
    92,428.92/127,551.33 = 49,987.35/x
  3. Step 3: Cross multiply
    92,428.92x = 127,551.33 × 49,987.35
  4. Step 4: Simplify right side
    92,428.92x = 6,375,952,975.68
  5. Step 5: Solve for x
    x = 6,375,952,975.68/92,428.92
  6. Step 6: Final answer
    x = 68,982.23

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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.