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Finding the Fourth Proportional to 86,464.44, 119,320.92 and 46,720.44

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Solution

The fourth proportional to 86,464.44, 119,320.92 and 46,720.44 is: 64,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.44 : 119,320.92 = 46,720.44 : x
  2. Step 2: Convert to fraction form
    86,464.44/119,320.92 = 46,720.44/x
  3. Step 3: Cross multiply
    86,464.44x = 119,320.92 × 46,720.44
  4. Step 4: Simplify right side
    86,464.44x = 5,574,725,883.60
  5. Step 5: Solve for x
    x = 5,574,725,883.60/86,464.44
  6. Step 6: Final answer
    x = 64,474.20

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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.