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Finding the Fourth Proportional to 199,560.60, 299,390.10 and 59,319.21

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Solution

The fourth proportional to 199,560.60, 299,390.10 and 59,319.21 is: 88,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,560.60 : 299,390.10 = 59,319.21 : x
  2. Step 2: Convert to fraction form
    199,560.60/299,390.10 = 59,319.21/x
  3. Step 3: Cross multiply
    199,560.60x = 299,390.10 × 59,319.21
  4. Step 4: Simplify right side
    199,560.60x = 17,759,584,213.82
  5. Step 5: Solve for x
    x = 17,759,584,213.82/199,560.60
  6. Step 6: Final answer
    x = 88,993.44

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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.