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Finding the Fourth Proportional to 228,869.64, 343,304.49 and 71,098.08

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Solution

The fourth proportional to 228,869.64, 343,304.49 and 71,098.08 is: 106,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,869.64 : 343,304.49 = 71,098.08 : x
  2. Step 2: Convert to fraction form
    228,869.64/343,304.49 = 71,098.08/x
  3. Step 3: Cross multiply
    228,869.64x = 343,304.49 × 71,098.08
  4. Step 4: Simplify right side
    228,869.64x = 24,408,290,094.38
  5. Step 5: Solve for x
    x = 24,408,290,094.38/228,869.64
  6. Step 6: Final answer
    x = 106,647.13

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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.