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Finding the Fourth Proportional to 291,162.56, 436,605.26 and 101,599.88

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Solution

The fourth proportional to 291,162.56, 436,605.26 and 101,599.88 is: 152,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,162.56 : 436,605.26 = 101,599.88 : x
  2. Step 2: Convert to fraction form
    291,162.56/436,605.26 = 101,599.88/x
  3. Step 3: Cross multiply
    291,162.56x = 436,605.26 × 101,599.88
  4. Step 4: Simplify right side
    291,162.56x = 44,359,043,368.88
  5. Step 5: Solve for x
    x = 44,359,043,368.88/291,162.56
  6. Step 6: Final answer
    x = 152,351.47

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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.