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Finding the Fourth Proportional to 262,159.56, 393,239.62 and 65,167.56

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Solution

The fourth proportional to 262,159.56, 393,239.62 and 65,167.56 is: 97,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,159.56 : 393,239.62 = 65,167.56 : x
  2. Step 2: Convert to fraction form
    262,159.56/393,239.62 = 65,167.56/x
  3. Step 3: Cross multiply
    262,159.56x = 393,239.62 × 65,167.56
  4. Step 4: Simplify right side
    262,159.56x = 25,626,466,530.73
  5. Step 5: Solve for x
    x = 25,626,466,530.73/262,159.56
  6. Step 6: Final answer
    x = 97,751.41

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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.