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Finding the Fourth Proportional to 115,536.40, 173,304.60 and 32,419.60

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Solution

The fourth proportional to 115,536.40, 173,304.60 and 32,419.60 is: 48,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.40 : 173,304.60 = 32,419.60 : x
  2. Step 2: Convert to fraction form
    115,536.40/173,304.60 = 32,419.60/x
  3. Step 3: Cross multiply
    115,536.40x = 173,304.60 × 32,419.60
  4. Step 4: Simplify right side
    115,536.40x = 5,618,465,810.16
  5. Step 5: Solve for x
    x = 5,618,465,810.16/115,536.40
  6. Step 6: Final answer
    x = 48,629.40

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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.