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Finding the Fourth Proportional to 171,007.60, 235,989.06 and 94,531.72

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Solution

The fourth proportional to 171,007.60, 235,989.06 and 94,531.72 is: 130,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,007.60 : 235,989.06 = 94,531.72 : x
  2. Step 2: Convert to fraction form
    171,007.60/235,989.06 = 94,531.72/x
  3. Step 3: Cross multiply
    171,007.60x = 235,989.06 × 94,531.72
  4. Step 4: Simplify right side
    171,007.60x = 22,308,451,742.98
  5. Step 5: Solve for x
    x = 22,308,451,742.98/171,007.60
  6. Step 6: Final answer
    x = 130,452.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.