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Finding the Fourth Proportional to 445,585.32, 668,400.66 and 130,066.02

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Solution

The fourth proportional to 445,585.32, 668,400.66 and 130,066.02 is: 195,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,585.32 : 668,400.66 = 130,066.02 : x
  2. Step 2: Convert to fraction form
    445,585.32/668,400.66 = 130,066.02/x
  3. Step 3: Cross multiply
    445,585.32x = 668,400.66 × 130,066.02
  4. Step 4: Simplify right side
    445,585.32x = 86,936,213,611.57
  5. Step 5: Solve for x
    x = 86,936,213,611.57/445,585.32
  6. Step 6: Final answer
    x = 195,105.65

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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.