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Finding the Fourth Proportional to 171,694.37, 257,506.48 and 65,041.55

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Solution

The fourth proportional to 171,694.37, 257,506.48 and 65,041.55 is: 97,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,694.37 : 257,506.48 = 65,041.55 : x
  2. Step 2: Convert to fraction form
    171,694.37/257,506.48 = 65,041.55/x
  3. Step 3: Cross multiply
    171,694.37x = 257,506.48 × 65,041.55
  4. Step 4: Simplify right side
    171,694.37x = 16,748,621,075.41
  5. Step 5: Solve for x
    x = 16,748,621,075.41/171,694.37
  6. Step 6: Final answer
    x = 97,549.04

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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.