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Finding the Fourth Proportional to 354,396.76, 531,597.20 and 88,157.32

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Solution

The fourth proportional to 354,396.76, 531,597.20 and 88,157.32 is: 132,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,396.76 : 531,597.20 = 88,157.32 : x
  2. Step 2: Convert to fraction form
    354,396.76/531,597.20 = 88,157.32/x
  3. Step 3: Cross multiply
    354,396.76x = 531,597.20 × 88,157.32
  4. Step 4: Simplify right side
    354,396.76x = 46,864,184,471.50
  5. Step 5: Solve for x
    x = 46,864,184,471.50/354,396.76
  6. Step 6: Final answer
    x = 132,236.49

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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.