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Finding the Fourth Proportional to 171,606, 257,447.88 and 60,798

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Solution

The fourth proportional to 171,606, 257,447.88 and 60,798 is: 91,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,606 : 257,447.88 = 60,798 : x
  2. Step 2: Convert to fraction form
    171,606/257,447.88 = 60,798/x
  3. Step 3: Cross multiply
    171,606x = 257,447.88 × 60,798
  4. Step 4: Simplify right side
    171,606x = 15,652,316,208.24
  5. Step 5: Solve for x
    x = 15,652,316,208.24/171,606
  6. Step 6: Final answer
    x = 91,210.77

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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.