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Finding the Fourth Proportional to 171,672.48, 257,176.60 and 96,564.40

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Solution

The fourth proportional to 171,672.48, 257,176.60 and 96,564.40 is: 144,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,672.48 : 257,176.60 = 96,564.40 : x
  2. Step 2: Convert to fraction form
    171,672.48/257,176.60 = 96,564.40/x
  3. Step 3: Cross multiply
    171,672.48x = 257,176.60 × 96,564.40
  4. Step 4: Simplify right side
    171,672.48x = 24,834,104,073.04
  5. Step 5: Solve for x
    x = 24,834,104,073.04/171,672.48
  6. Step 6: Final answer
    x = 144,659.79

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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.