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Finding the Fourth Proportional to 92,568.52, 138,831.13 and 26,015.05

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Solution

The fourth proportional to 92,568.52, 138,831.13 and 26,015.05 is: 39,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,568.52 : 138,831.13 = 26,015.05 : x
  2. Step 2: Convert to fraction form
    92,568.52/138,831.13 = 26,015.05/x
  3. Step 3: Cross multiply
    92,568.52x = 138,831.13 × 26,015.05
  4. Step 4: Simplify right side
    92,568.52x = 3,611,698,788.51
  5. Step 5: Solve for x
    x = 3,611,698,788.51/92,568.52
  6. Step 6: Final answer
    x = 39,016.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.