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Finding the Fourth Proportional to 85,357.04, 117,837.04 and 62,361.08

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Solution

The fourth proportional to 85,357.04, 117,837.04 and 62,361.08 is: 86,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,357.04 : 117,837.04 = 62,361.08 : x
  2. Step 2: Convert to fraction form
    85,357.04/117,837.04 = 62,361.08/x
  3. Step 3: Cross multiply
    85,357.04x = 117,837.04 × 62,361.08
  4. Step 4: Simplify right side
    85,357.04x = 7,348,445,078.40
  5. Step 5: Solve for x
    x = 7,348,445,078.40/85,357.04
  6. Step 6: Final answer
    x = 86,090.67

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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.