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Finding the Fourth Proportional to 85,573.68, 118,089.68 and 47,851.44

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Solution

The fourth proportional to 85,573.68, 118,089.68 and 47,851.44 is: 66,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,573.68 : 118,089.68 = 47,851.44 : x
  2. Step 2: Convert to fraction form
    85,573.68/118,089.68 = 47,851.44/x
  3. Step 3: Cross multiply
    85,573.68x = 118,089.68 × 47,851.44
  4. Step 4: Simplify right side
    85,573.68x = 5,650,761,237.14
  5. Step 5: Solve for x
    x = 5,650,761,237.14/85,573.68
  6. Step 6: Final answer
    x = 66,033.87

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1.5x scale

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.