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Finding the Fourth Proportional to 207,544.60, 310,941.46 and 95,318.70

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Solution

The fourth proportional to 207,544.60, 310,941.46 and 95,318.70 is: 142,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,544.60 : 310,941.46 = 95,318.70 : x
  2. Step 2: Convert to fraction form
    207,544.60/310,941.46 = 95,318.70/x
  3. Step 3: Cross multiply
    207,544.60x = 310,941.46 × 95,318.70
  4. Step 4: Simplify right side
    207,544.60x = 29,638,534,696.42
  5. Step 5: Solve for x
    x = 29,638,534,696.42/207,544.60
  6. Step 6: Final answer
    x = 142,805.62

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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.