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Finding the Fourth Proportional to 115,635.36, 173,479.72 and 44,568.08

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Solution

The fourth proportional to 115,635.36, 173,479.72 and 44,568.08 is: 66,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,635.36 : 173,479.72 = 44,568.08 : x
  2. Step 2: Convert to fraction form
    115,635.36/173,479.72 = 44,568.08/x
  3. Step 3: Cross multiply
    115,635.36x = 173,479.72 × 44,568.08
  4. Step 4: Simplify right side
    115,635.36x = 7,731,658,039.34
  5. Step 5: Solve for x
    x = 7,731,658,039.34/115,635.36
  6. Step 6: Final answer
    x = 66,862.40

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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.