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Finding the Fourth Proportional to 228,079.72, 314,722.02 and 132,607.72

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Solution

The fourth proportional to 228,079.72, 314,722.02 and 132,607.72 is: 182,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,079.72 : 314,722.02 = 132,607.72 : x
  2. Step 2: Convert to fraction form
    228,079.72/314,722.02 = 132,607.72/x
  3. Step 3: Cross multiply
    228,079.72x = 314,722.02 × 132,607.72
  4. Step 4: Simplify right side
    228,079.72x = 41,734,569,505.99
  5. Step 5: Solve for x
    x = 41,734,569,505.99/228,079.72
  6. Step 6: Final answer
    x = 182,982.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.