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Finding the Fourth Proportional to 368,874.30, 553,331.07 and 116,174.55

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Solution

The fourth proportional to 368,874.30, 553,331.07 and 116,174.55 is: 174,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,874.30 : 553,331.07 = 116,174.55 : x
  2. Step 2: Convert to fraction form
    368,874.30/553,331.07 = 116,174.55/x
  3. Step 3: Cross multiply
    368,874.30x = 553,331.07 × 116,174.55
  4. Step 4: Simplify right side
    368,874.30x = 64,282,988,058.27
  5. Step 5: Solve for x
    x = 64,282,988,058.27/368,874.30
  6. Step 6: Final answer
    x = 174,268.00

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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.