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Finding the Fourth Proportional to 445,456.99, 668,150.62 and 125,595.94

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Solution

The fourth proportional to 445,456.99, 668,150.62 and 125,595.94 is: 188,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,456.99 : 668,150.62 = 125,595.94 : x
  2. Step 2: Convert to fraction form
    445,456.99/668,150.62 = 125,595.94/x
  3. Step 3: Cross multiply
    445,456.99x = 668,150.62 × 125,595.94
  4. Step 4: Simplify right side
    445,456.99x = 83,917,004,552.50
  5. Step 5: Solve for x
    x = 83,917,004,552.50/445,456.99
  6. Step 6: Final answer
    x = 188,384.08

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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.