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Finding the Fourth Proportional to 228,265.02, 315,005.49 and 127,663.02

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Solution

The fourth proportional to 228,265.02, 315,005.49 and 127,663.02 is: 176,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,265.02 : 315,005.49 = 127,663.02 : x
  2. Step 2: Convert to fraction form
    228,265.02/315,005.49 = 127,663.02/x
  3. Step 3: Cross multiply
    228,265.02x = 315,005.49 × 127,663.02
  4. Step 4: Simplify right side
    228,265.02x = 40,214,552,169.98
  5. Step 5: Solve for x
    x = 40,214,552,169.98/228,265.02
  6. Step 6: Final answer
    x = 176,174.83

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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.