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Finding the Fourth Proportional to 171,630.29, 257,246.08 and 64,946.41

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Solution

The fourth proportional to 171,630.29, 257,246.08 and 64,946.41 is: 97,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630.29 : 257,246.08 = 64,946.41 : x
  2. Step 2: Convert to fraction form
    171,630.29/257,246.08 = 64,946.41/x
  3. Step 3: Cross multiply
    171,630.29x = 257,246.08 × 64,946.41
  4. Step 4: Simplify right side
    171,630.29x = 16,707,208,577.09
  5. Step 5: Solve for x
    x = 16,707,208,577.09/171,630.29
  6. Step 6: Final answer
    x = 97,344.17

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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.