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Finding the Fourth Proportional to 84,975.73, 127,480.62 and 47,588.98

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Solution

The fourth proportional to 84,975.73, 127,480.62 and 47,588.98 is: 71,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,975.73 : 127,480.62 = 47,588.98 : x
  2. Step 2: Convert to fraction form
    84,975.73/127,480.62 = 47,588.98/x
  3. Step 3: Cross multiply
    84,975.73x = 127,480.62 × 47,588.98
  4. Step 4: Simplify right side
    84,975.73x = 6,066,672,675.57
  5. Step 5: Solve for x
    x = 6,066,672,675.57/84,975.73
  6. Step 6: Final answer
    x = 71,393.00

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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.