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Finding the Fourth Proportional to 86,562, 119,455.92 and 46,818

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Solution

The fourth proportional to 86,562, 119,455.92 and 46,818 is: 64,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562 : 119,455.92 = 46,818 : x
  2. Step 2: Convert to fraction form
    86,562/119,455.92 = 46,818/x
  3. Step 3: Cross multiply
    86,562x = 119,455.92 × 46,818
  4. Step 4: Simplify right side
    86,562x = 5,592,687,262.56
  5. Step 5: Solve for x
    x = 5,592,687,262.56/86,562
  6. Step 6: Final answer
    x = 64,609.03

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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.