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Finding the Fourth Proportional to 85,594.64, 118,120.20 and 47,869.04

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Solution

The fourth proportional to 85,594.64, 118,120.20 and 47,869.04 is: 66,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,594.64 : 118,120.20 = 47,869.04 : x
  2. Step 2: Convert to fraction form
    85,594.64/118,120.20 = 47,869.04/x
  3. Step 3: Cross multiply
    85,594.64x = 118,120.20 × 47,869.04
  4. Step 4: Simplify right side
    85,594.64x = 5,654,300,578.61
  5. Step 5: Solve for x
    x = 5,654,300,578.61/85,594.64
  6. Step 6: Final answer
    x = 66,059.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.