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Finding the Fourth Proportional to 171,328.90, 256,936.96 and 59,006.63

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Solution

The fourth proportional to 171,328.90, 256,936.96 and 59,006.63 is: 88,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,328.90 : 256,936.96 = 59,006.63 : x
  2. Step 2: Convert to fraction form
    171,328.90/256,936.96 = 59,006.63/x
  3. Step 3: Cross multiply
    171,328.90x = 256,936.96 × 59,006.63
  4. Step 4: Simplify right side
    171,328.90x = 15,160,983,402.88
  5. Step 5: Solve for x
    x = 15,160,983,402.88/171,328.90
  6. Step 6: Final answer
    x = 88,490.52

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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.