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Finding the Fourth Proportional to 173,602.98, 259,979.82 and 156,774

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Solution

The fourth proportional to 173,602.98, 259,979.82 and 156,774 is: 234,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.98 : 259,979.82 = 156,774 : x
  2. Step 2: Convert to fraction form
    173,602.98/259,979.82 = 156,774/x
  3. Step 3: Cross multiply
    173,602.98x = 259,979.82 × 156,774
  4. Step 4: Simplify right side
    173,602.98x = 40,758,076,300.68
  5. Step 5: Solve for x
    x = 40,758,076,300.68/173,602.98
  6. Step 6: Final answer
    x = 234,777.52

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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.