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Finding the Fourth Proportional to 368,054.94, 552,082.54 and 115,355.04

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Solution

The fourth proportional to 368,054.94, 552,082.54 and 115,355.04 is: 173,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,054.94 : 552,082.54 = 115,355.04 : x
  2. Step 2: Convert to fraction form
    368,054.94/552,082.54 = 115,355.04/x
  3. Step 3: Cross multiply
    368,054.94x = 552,082.54 × 115,355.04
  4. Step 4: Simplify right side
    368,054.94x = 63,685,503,485.00
  5. Step 5: Solve for x
    x = 63,685,503,485.00/368,054.94
  6. Step 6: Final answer
    x = 173,032.60

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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.