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Finding the Fourth Proportional to 165,963.54, 228,990.32 and 94,337.94

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Solution

The fourth proportional to 165,963.54, 228,990.32 and 94,337.94 is: 130,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,963.54 : 228,990.32 = 94,337.94 : x
  2. Step 2: Convert to fraction form
    165,963.54/228,990.32 = 94,337.94/x
  3. Step 3: Cross multiply
    165,963.54x = 228,990.32 × 94,337.94
  4. Step 4: Simplify right side
    165,963.54x = 21,602,475,068.74
  5. Step 5: Solve for x
    x = 21,602,475,068.74/165,963.54
  6. Step 6: Final answer
    x = 130,163.98

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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.