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Finding the Fourth Proportional to 262,157.51, 361,773.90 and 147,436.11

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Solution

The fourth proportional to 262,157.51, 361,773.90 and 147,436.11 is: 203,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,157.51 : 361,773.90 = 147,436.11 : x
  2. Step 2: Convert to fraction form
    262,157.51/361,773.90 = 147,436.11/x
  3. Step 3: Cross multiply
    262,157.51x = 361,773.90 × 147,436.11
  4. Step 4: Simplify right side
    262,157.51x = 53,338,536,515.53
  5. Step 5: Solve for x
    x = 53,338,536,515.53/262,157.51
  6. Step 6: Final answer
    x = 203,459.88

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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.