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Finding the Fourth Proportional to 259,022.70, 357,356.51 and 156,974.54

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Solution

The fourth proportional to 259,022.70, 357,356.51 and 156,974.54 is: 216,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,022.70 : 357,356.51 = 156,974.54 : x
  2. Step 2: Convert to fraction form
    259,022.70/357,356.51 = 156,974.54/x
  3. Step 3: Cross multiply
    259,022.70x = 357,356.51 × 156,974.54
  4. Step 4: Simplify right side
    259,022.70x = 56,095,873,773.26
  5. Step 5: Solve for x
    x = 56,095,873,773.26/259,022.70
  6. Step 6: Final answer
    x = 216,567.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.