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Finding the Fourth Proportional to 171,469.17, 257,131.62 and 64,835.19

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Solution

The fourth proportional to 171,469.17, 257,131.62 and 64,835.19 is: 97,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,469.17 : 257,131.62 = 64,835.19 : x
  2. Step 2: Convert to fraction form
    171,469.17/257,131.62 = 64,835.19/x
  3. Step 3: Cross multiply
    171,469.17x = 257,131.62 × 64,835.19
  4. Step 4: Simplify right side
    171,469.17x = 16,671,177,437.71
  5. Step 5: Solve for x
    x = 16,671,177,437.71/171,469.17
  6. Step 6: Final answer
    x = 97,225.51

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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.