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Finding the Fourth Proportional to 84,973.31, 127,385.44 and 32,347.79

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Solution

The fourth proportional to 84,973.31, 127,385.44 and 32,347.79 is: 48,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,973.31 : 127,385.44 = 32,347.79 : x
  2. Step 2: Convert to fraction form
    84,973.31/127,385.44 = 32,347.79/x
  3. Step 3: Cross multiply
    84,973.31x = 127,385.44 × 32,347.79
  4. Step 4: Simplify right side
    84,973.31x = 4,120,637,462.18
  5. Step 5: Solve for x
    x = 4,120,637,462.18/84,973.31
  6. Step 6: Final answer
    x = 48,493.31

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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.