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Finding the Fourth Proportional to 368,927.66, 553,338.88 and 116,201.59

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Solution

The fourth proportional to 368,927.66, 553,338.88 and 116,201.59 is: 174,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,927.66 : 553,338.88 = 116,201.59 : x
  2. Step 2: Convert to fraction form
    368,927.66/553,338.88 = 116,201.59/x
  3. Step 3: Cross multiply
    368,927.66x = 553,338.88 × 116,201.59
  4. Step 4: Simplify right side
    368,927.66x = 64,298,855,990.97
  5. Step 5: Solve for x
    x = 64,298,855,990.97/368,927.66
  6. Step 6: Final answer
    x = 174,285.81

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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.