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Finding the Fourth Proportional to 235,166.06, 352,869.72 and 115,220.72

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Solution

The fourth proportional to 235,166.06, 352,869.72 and 115,220.72 is: 172,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,166.06 : 352,869.72 = 115,220.72 : x
  2. Step 2: Convert to fraction form
    235,166.06/352,869.72 = 115,220.72/x
  3. Step 3: Cross multiply
    235,166.06x = 352,869.72 × 115,220.72
  4. Step 4: Simplify right side
    235,166.06x = 40,657,903,204.60
  5. Step 5: Solve for x
    x = 40,657,903,204.60/235,166.06
  6. Step 6: Final answer
    x = 172,890.18

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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.