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Finding the Fourth Proportional to 85,357.24, 117,837.26 and 62,361.24

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Solution

The fourth proportional to 85,357.24, 117,837.26 and 62,361.24 is: 86,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,357.24 : 117,837.26 = 62,361.24 : x
  2. Step 2: Convert to fraction form
    85,357.24/117,837.26 = 62,361.24/x
  3. Step 3: Cross multiply
    85,357.24x = 117,837.26 × 62,361.24
  4. Step 4: Simplify right side
    85,357.24x = 7,348,478,145.58
  5. Step 5: Solve for x
    x = 7,348,478,145.58/85,357.24
  6. Step 6: Final answer
    x = 86,090.86

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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.