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Finding the Fourth Proportional to 172,129.52, 256,464.22 and 162,460.62

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Solution

The fourth proportional to 172,129.52, 256,464.22 and 162,460.62 is: 242,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,129.52 : 256,464.22 = 162,460.62 : x
  2. Step 2: Convert to fraction form
    172,129.52/256,464.22 = 162,460.62/x
  3. Step 3: Cross multiply
    172,129.52x = 256,464.22 × 162,460.62
  4. Step 4: Simplify right side
    172,129.52x = 41,665,336,189.02
  5. Step 5: Solve for x
    x = 41,665,336,189.02/172,129.52
  6. Step 6: Final answer
    x = 242,058.05

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1.5x scale

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.