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Finding the Fourth Proportional to 172,850.70, 259,276.05 and 162,353.10

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Solution

The fourth proportional to 172,850.70, 259,276.05 and 162,353.10 is: 243,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,850.70 : 259,276.05 = 162,353.10 : x
  2. Step 2: Convert to fraction form
    172,850.70/259,276.05 = 162,353.10/x
  3. Step 3: Cross multiply
    172,850.70x = 259,276.05 × 162,353.10
  4. Step 4: Simplify right side
    172,850.70x = 42,094,270,473.26
  5. Step 5: Solve for x
    x = 42,094,270,473.26/172,850.70
  6. Step 6: Final answer
    x = 243,529.65

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1.5x scale

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.