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Finding the Fourth Proportional to 91,307.00, 136,858.73 and 37,969.11

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Solution

The fourth proportional to 91,307.00, 136,858.73 and 37,969.11 is: 56,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,307.00 : 136,858.73 = 37,969.11 : x
  2. Step 2: Convert to fraction form
    91,307.00/136,858.73 = 37,969.11/x
  3. Step 3: Cross multiply
    91,307.00x = 136,858.73 × 37,969.11
  4. Step 4: Simplify right side
    91,307.00x = 5,196,404,268.75
  5. Step 5: Solve for x
    x = 5,196,404,268.75/91,307.00
  6. Step 6: Final answer
    x = 56,911.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.