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Finding the Fourth Proportional to 92,573.40, 138,867.36 and 26,019

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Solution

The fourth proportional to 92,573.40, 138,867.36 and 26,019 is: 39,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,573.40 : 138,867.36 = 26,019 : x
  2. Step 2: Convert to fraction form
    92,573.40/138,867.36 = 26,019/x
  3. Step 3: Cross multiply
    92,573.40x = 138,867.36 × 26,019
  4. Step 4: Simplify right side
    92,573.40x = 3,613,189,839.84
  5. Step 5: Solve for x
    x = 3,613,189,839.84/92,573.40
  6. Step 6: Final answer
    x = 39,030.54

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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.