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Finding the Fourth Proportional to 84,751.28, 116,957.20 and 47,025.52

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Solution

The fourth proportional to 84,751.28, 116,957.20 and 47,025.52 is: 64,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,751.28 : 116,957.20 = 47,025.52 : x
  2. Step 2: Convert to fraction form
    84,751.28/116,957.20 = 47,025.52/x
  3. Step 3: Cross multiply
    84,751.28x = 116,957.20 × 47,025.52
  4. Step 4: Simplify right side
    84,751.28x = 5,499,973,147.74
  5. Step 5: Solve for x
    x = 5,499,973,147.74/84,751.28
  6. Step 6: Final answer
    x = 64,895.46

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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.