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Finding the Fourth Proportional to 99,101.00, 136,766.12 and 56,080.52

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Solution

The fourth proportional to 99,101.00, 136,766.12 and 56,080.52 is: 77,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.00 : 136,766.12 = 56,080.52 : x
  2. Step 2: Convert to fraction form
    99,101.00/136,766.12 = 56,080.52/x
  3. Step 3: Cross multiply
    99,101.00x = 136,766.12 × 56,080.52
  4. Step 4: Simplify right side
    99,101.00x = 7,669,914,163.75
  5. Step 5: Solve for x
    x = 7,669,914,163.75/99,101.00
  6. Step 6: Final answer
    x = 77,394.93

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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.