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Finding the Fourth Proportional to 153,351.00, 211,629.08 and 83,504.93

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Solution

The fourth proportional to 153,351.00, 211,629.08 and 83,504.93 is: 115,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,351.00 : 211,629.08 = 83,504.93 : x
  2. Step 2: Convert to fraction form
    153,351.00/211,629.08 = 83,504.93/x
  3. Step 3: Cross multiply
    153,351.00x = 211,629.08 × 83,504.93
  4. Step 4: Simplify right side
    153,351.00x = 17,672,070,427.12
  5. Step 5: Solve for x
    x = 17,672,070,427.12/153,351.00
  6. Step 6: Final answer
    x = 115,239.36

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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.