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Finding the Fourth Proportional to 171,957.22, 256,539.49 and 162,656.74

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Solution

The fourth proportional to 171,957.22, 256,539.49 and 162,656.74 is: 242,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,957.22 : 256,539.49 = 162,656.74 : x
  2. Step 2: Convert to fraction form
    171,957.22/256,539.49 = 162,656.74/x
  3. Step 3: Cross multiply
    171,957.22x = 256,539.49 × 162,656.74
  4. Step 4: Simplify right side
    171,957.22x = 41,727,877,124.66
  5. Step 5: Solve for x
    x = 41,727,877,124.66/171,957.22
  6. Step 6: Final answer
    x = 242,664.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.