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Finding the Fourth Proportional to 84,205.52, 116,203.60 and 46,479.76

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Solution

The fourth proportional to 84,205.52, 116,203.60 and 46,479.76 is: 64,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.52 : 116,203.60 = 46,479.76 : x
  2. Step 2: Convert to fraction form
    84,205.52/116,203.60 = 46,479.76/x
  3. Step 3: Cross multiply
    84,205.52x = 116,203.60 × 46,479.76
  4. Step 4: Simplify right side
    84,205.52x = 5,401,115,439.14
  5. Step 5: Solve for x
    x = 5,401,115,439.14/84,205.52
  6. Step 6: Final answer
    x = 64,142.06

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1.5x scale

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.