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Finding the Fourth Proportional to 281,962.92, 422,810.46 and 163,670.52

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Solution

The fourth proportional to 281,962.92, 422,810.46 and 163,670.52 is: 245,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,962.92 : 422,810.46 = 163,670.52 : x
  2. Step 2: Convert to fraction form
    281,962.92/422,810.46 = 163,670.52/x
  3. Step 3: Cross multiply
    281,962.92x = 422,810.46 × 163,670.52
  4. Step 4: Simplify right side
    281,962.92x = 69,201,607,849.64
  5. Step 5: Solve for x
    x = 69,201,607,849.64/281,962.92
  6. Step 6: Final answer
    x = 245,428.04

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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.