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Finding the Fourth Proportional to 117,834.64, 176,751.96 and 55,510

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Solution

The fourth proportional to 117,834.64, 176,751.96 and 55,510 is: 83,265

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,834.64 : 176,751.96 = 55,510 : x
  2. Step 2: Convert to fraction form
    117,834.64/176,751.96 = 55,510/x
  3. Step 3: Cross multiply
    117,834.64x = 176,751.96 × 55,510
  4. Step 4: Simplify right side
    117,834.64x = 9,811,501,299.60
  5. Step 5: Solve for x
    x = 9,811,501,299.60/117,834.64
  6. Step 6: Final answer
    x = 83,265

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.