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Finding the Fourth Proportional to 445,851.67, 668,787.77 and 108,895.12

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Solution

The fourth proportional to 445,851.67, 668,787.77 and 108,895.12 is: 163,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,851.67 : 668,787.77 = 108,895.12 : x
  2. Step 2: Convert to fraction form
    445,851.67/668,787.77 = 108,895.12/x
  3. Step 3: Cross multiply
    445,851.67x = 668,787.77 × 108,895.12
  4. Step 4: Simplify right side
    445,851.67x = 72,827,724,468.68
  5. Step 5: Solve for x
    x = 72,827,724,468.68/445,851.67
  6. Step 6: Final answer
    x = 163,345.19

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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.