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Finding the Fourth Proportional to 365,620.62, 548,443.07 and 125,732.16

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Solution

The fourth proportional to 365,620.62, 548,443.07 and 125,732.16 is: 188,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,620.62 : 548,443.07 = 125,732.16 : x
  2. Step 2: Convert to fraction form
    365,620.62/548,443.07 = 125,732.16/x
  3. Step 3: Cross multiply
    365,620.62x = 548,443.07 × 125,732.16
  4. Step 4: Simplify right side
    365,620.62x = 68,956,931,828.13
  5. Step 5: Solve for x
    x = 68,956,931,828.13/365,620.62
  6. Step 6: Final answer
    x = 188,602.41

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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.