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Finding the Fourth Proportional to 162,997.84, 224,933.16 and 90,400.42

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Solution

The fourth proportional to 162,997.84, 224,933.16 and 90,400.42 is: 124,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,997.84 : 224,933.16 = 90,400.42 : x
  2. Step 2: Convert to fraction form
    162,997.84/224,933.16 = 90,400.42/x
  3. Step 3: Cross multiply
    162,997.84x = 224,933.16 × 90,400.42
  4. Step 4: Simplify right side
    162,997.84x = 20,334,052,135.93
  5. Step 5: Solve for x
    x = 20,334,052,135.93/162,997.84
  6. Step 6: Final answer
    x = 124,750.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.