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Finding the Fourth Proportional to 86,124.52, 118,852.06 and 47,883.00

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Solution

The fourth proportional to 86,124.52, 118,852.06 and 47,883.00 is: 66,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,124.52 : 118,852.06 = 47,883.00 : x
  2. Step 2: Convert to fraction form
    86,124.52/118,852.06 = 47,883.00/x
  3. Step 3: Cross multiply
    86,124.52x = 118,852.06 × 47,883.00
  4. Step 4: Simplify right side
    86,124.52x = 5,690,992,936.21
  5. Step 5: Solve for x
    x = 5,690,992,936.21/86,124.52
  6. Step 6: Final answer
    x = 66,078.66

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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.