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Finding the Fourth Proportional to 84,335.52, 126,525.18 and 25,171.18

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Solution

The fourth proportional to 84,335.52, 126,525.18 and 25,171.18 is: 37,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,335.52 : 126,525.18 = 25,171.18 : x
  2. Step 2: Convert to fraction form
    84,335.52/126,525.18 = 25,171.18/x
  3. Step 3: Cross multiply
    84,335.52x = 126,525.18 × 25,171.18
  4. Step 4: Simplify right side
    84,335.52x = 3,184,788,080.31
  5. Step 5: Solve for x
    x = 3,184,788,080.31/84,335.52
  6. Step 6: Final answer
    x = 37,763.31

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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.