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Finding the Fourth Proportional to 85,754.88, 118,340.28 and 47,514.06

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Solution

The fourth proportional to 85,754.88, 118,340.28 and 47,514.06 is: 65,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,754.88 : 118,340.28 = 47,514.06 : x
  2. Step 2: Convert to fraction form
    85,754.88/118,340.28 = 47,514.06/x
  3. Step 3: Cross multiply
    85,754.88x = 118,340.28 × 47,514.06
  4. Step 4: Simplify right side
    85,754.88x = 5,622,827,164.34
  5. Step 5: Solve for x
    x = 5,622,827,164.34/85,754.88
  6. Step 6: Final answer
    x = 65,568.60

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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.