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Finding the Fourth Proportional to 155,211.60, 232,817.40 and 135,528.60

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Solution

The fourth proportional to 155,211.60, 232,817.40 and 135,528.60 is: 203,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,211.60 : 232,817.40 = 135,528.60 : x
  2. Step 2: Convert to fraction form
    155,211.60/232,817.40 = 135,528.60/x
  3. Step 3: Cross multiply
    155,211.60x = 232,817.40 × 135,528.60
  4. Step 4: Simplify right side
    155,211.60x = 31,553,416,277.64
  5. Step 5: Solve for x
    x = 31,553,416,277.64/155,211.60
  6. Step 6: Final answer
    x = 203,292.90

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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.