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Finding the Fourth Proportional to 157,525.68, 217,383.48 and 85,904.04

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Solution

The fourth proportional to 157,525.68, 217,383.48 and 85,904.04 is: 118,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525.68 : 217,383.48 = 85,904.04 : x
  2. Step 2: Convert to fraction form
    157,525.68/217,383.48 = 85,904.04/x
  3. Step 3: Cross multiply
    157,525.68x = 217,383.48 × 85,904.04
  4. Step 4: Simplify right side
    157,525.68x = 18,674,119,161.26
  5. Step 5: Solve for x
    x = 18,674,119,161.26/157,525.68
  6. Step 6: Final answer
    x = 118,546.51

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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.