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Finding the Fourth Proportional to 66,090.33, 91,202.19 and 35,875.01

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Solution

The fourth proportional to 66,090.33, 91,202.19 and 35,875.01 is: 49,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.33 : 91,202.19 = 35,875.01 : x
  2. Step 2: Convert to fraction form
    66,090.33/91,202.19 = 35,875.01/x
  3. Step 3: Cross multiply
    66,090.33x = 91,202.19 × 35,875.01
  4. Step 4: Simplify right side
    66,090.33x = 3,271,879,478.27
  5. Step 5: Solve for x
    x = 3,271,879,478.27/66,090.33
  6. Step 6: Final answer
    x = 49,506.18

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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.