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Finding the Fourth Proportional to 117,491.52, 162,141.93 and 69,084.71

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Solution

The fourth proportional to 117,491.52, 162,141.93 and 69,084.71 is: 95,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.52 : 162,141.93 = 69,084.71 : x
  2. Step 2: Convert to fraction form
    117,491.52/162,141.93 = 69,084.71/x
  3. Step 3: Cross multiply
    117,491.52x = 162,141.93 × 69,084.71
  4. Step 4: Simplify right side
    117,491.52x = 11,201,527,056.76
  5. Step 5: Solve for x
    x = 11,201,527,056.76/117,491.52
  6. Step 6: Final answer
    x = 95,339.03

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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.