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Finding the Fourth Proportional to 199,059.40, 297,860.10 and 146,571.40

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Solution

The fourth proportional to 199,059.40, 297,860.10 and 146,571.40 is: 219,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,059.40 : 297,860.10 = 146,571.40 : x
  2. Step 2: Convert to fraction form
    199,059.40/297,860.10 = 146,571.40/x
  3. Step 3: Cross multiply
    199,059.40x = 297,860.10 × 146,571.40
  4. Step 4: Simplify right side
    199,059.40x = 43,657,771,861.14
  5. Step 5: Solve for x
    x = 43,657,771,861.14/199,059.40
  6. Step 6: Final answer
    x = 219,320.32

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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.