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Finding the Fourth Proportional to 205,656.64, 283,820.62 and 115,021.03

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Solution

The fourth proportional to 205,656.64, 283,820.62 and 115,021.03 is: 158,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,656.64 : 283,820.62 = 115,021.03 : x
  2. Step 2: Convert to fraction form
    205,656.64/283,820.62 = 115,021.03/x
  3. Step 3: Cross multiply
    205,656.64x = 283,820.62 × 115,021.03
  4. Step 4: Simplify right side
    205,656.64x = 32,645,340,047.64
  5. Step 5: Solve for x
    x = 32,645,340,047.64/205,656.64
  6. Step 6: Final answer
    x = 158,737.11

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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.