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Finding the Fourth Proportional to 147,126, 203,033.88 and 80,058

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Solution

The fourth proportional to 147,126, 203,033.88 and 80,058 is: 110,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,126 : 203,033.88 = 80,058 : x
  2. Step 2: Convert to fraction form
    147,126/203,033.88 = 80,058/x
  3. Step 3: Cross multiply
    147,126x = 203,033.88 × 80,058
  4. Step 4: Simplify right side
    147,126x = 16,254,486,365.04
  5. Step 5: Solve for x
    x = 16,254,486,365.04/147,126
  6. Step 6: Final answer
    x = 110,480.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.