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Finding the Fourth Proportional to 169,911.82, 234,484.17 and 93,433.80

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Solution

The fourth proportional to 169,911.82, 234,484.17 and 93,433.80 is: 128,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.82 : 234,484.17 = 93,433.80 : x
  2. Step 2: Convert to fraction form
    169,911.82/234,484.17 = 93,433.80/x
  3. Step 3: Cross multiply
    169,911.82x = 234,484.17 × 93,433.80
  4. Step 4: Simplify right side
    169,911.82x = 21,908,746,692.57
  5. Step 5: Solve for x
    x = 21,908,746,692.57/169,911.82
  6. Step 6: Final answer
    x = 128,941.86

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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.