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Finding the Fourth Proportional to 228,473.84, 315,265.56 and 132,997.52

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Solution

The fourth proportional to 228,473.84, 315,265.56 and 132,997.52 is: 183,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,473.84 : 315,265.56 = 132,997.52 : x
  2. Step 2: Convert to fraction form
    228,473.84/315,265.56 = 132,997.52/x
  3. Step 3: Cross multiply
    228,473.84x = 315,265.56 × 132,997.52
  4. Step 4: Simplify right side
    228,473.84x = 41,929,537,621.41
  5. Step 5: Solve for x
    x = 41,929,537,621.41/228,473.84
  6. Step 6: Final answer
    x = 183,520.08

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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.