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Finding the Fourth Proportional to 114,870.96, 172,241.64 and 44,669.88

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Solution

The fourth proportional to 114,870.96, 172,241.64 and 44,669.88 is: 66,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.96 : 172,241.64 = 44,669.88 : x
  2. Step 2: Convert to fraction form
    114,870.96/172,241.64 = 44,669.88/x
  3. Step 3: Cross multiply
    114,870.96x = 172,241.64 × 44,669.88
  4. Step 4: Simplify right side
    114,870.96x = 7,694,013,389.80
  5. Step 5: Solve for x
    x = 7,694,013,389.80/114,870.96
  6. Step 6: Final answer
    x = 66,979.62

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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.