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Finding the Fourth Proportional to 118,005.46, 176,969.91 and 39,098.50

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Solution

The fourth proportional to 118,005.46, 176,969.91 and 39,098.50 is: 58,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,005.46 : 176,969.91 = 39,098.50 : x
  2. Step 2: Convert to fraction form
    118,005.46/176,969.91 = 39,098.50/x
  3. Step 3: Cross multiply
    118,005.46x = 176,969.91 × 39,098.50
  4. Step 4: Simplify right side
    118,005.46x = 6,919,258,026.14
  5. Step 5: Solve for x
    x = 6,919,258,026.14/118,005.46
  6. Step 6: Final answer
    x = 58,635.07

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