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Finding the Fourth Proportional to 162,253.56, 243,380.53 and 42,310.41

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Solution

The fourth proportional to 162,253.56, 243,380.53 and 42,310.41 is: 63,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.56 : 243,380.53 = 42,310.41 : x
  2. Step 2: Convert to fraction form
    162,253.56/243,380.53 = 42,310.41/x
  3. Step 3: Cross multiply
    162,253.56x = 243,380.53 × 42,310.41
  4. Step 4: Simplify right side
    162,253.56x = 10,297,529,232.41
  5. Step 5: Solve for x
    x = 10,297,529,232.41/162,253.56
  6. Step 6: Final answer
    x = 63,465.66

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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.