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Finding the Fourth Proportional to 368,072.84, 552,109.41 and 115,373.00

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Solution

The fourth proportional to 368,072.84, 552,109.41 and 115,373.00 is: 173,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,072.84 : 552,109.41 = 115,373.00 : x
  2. Step 2: Convert to fraction form
    368,072.84/552,109.41 = 115,373.00/x
  3. Step 3: Cross multiply
    368,072.84x = 552,109.41 × 115,373.00
  4. Step 4: Simplify right side
    368,072.84x = 63,698,516,199.38
  5. Step 5: Solve for x
    x = 63,698,516,199.38/368,072.84
  6. Step 6: Final answer
    x = 173,059.54

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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.