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Finding the Fourth Proportional to 98,568.90, 147,837.15 and 27,496.40

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Solution

The fourth proportional to 98,568.90, 147,837.15 and 27,496.40 is: 41,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.90 : 147,837.15 = 27,496.40 : x
  2. Step 2: Convert to fraction form
    98,568.90/147,837.15 = 27,496.40/x
  3. Step 3: Cross multiply
    98,568.90x = 147,837.15 × 27,496.40
  4. Step 4: Simplify right side
    98,568.90x = 4,064,988,672.07
  5. Step 5: Solve for x
    x = 4,064,988,672.07/98,568.90
  6. Step 6: Final answer
    x = 41,240.07

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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.