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Finding the Fourth Proportional to 174,285.94, 261,428.59 and 121,797.94

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Solution

The fourth proportional to 174,285.94, 261,428.59 and 121,797.94 is: 182,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,285.94 : 261,428.59 = 121,797.94 : x
  2. Step 2: Convert to fraction form
    174,285.94/261,428.59 = 121,797.94/x
  3. Step 3: Cross multiply
    174,285.94x = 261,428.59 × 121,797.94
  4. Step 4: Simplify right side
    174,285.94x = 31,841,463,719.10
  5. Step 5: Solve for x
    x = 31,841,463,719.10/174,285.94
  6. Step 6: Final answer
    x = 182,696.69

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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.