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Finding the Fourth Proportional to 243,079.84, 335,450.24 and 134,184.24

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Solution

The fourth proportional to 243,079.84, 335,450.24 and 134,184.24 is: 185,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,079.84 : 335,450.24 = 134,184.24 : x
  2. Step 2: Convert to fraction form
    243,079.84/335,450.24 = 134,184.24/x
  3. Step 3: Cross multiply
    243,079.84x = 335,450.24 × 134,184.24
  4. Step 4: Simplify right side
    243,079.84x = 45,012,135,512.22
  5. Step 5: Solve for x
    x = 45,012,135,512.22/243,079.84
  6. Step 6: Final answer
    x = 185,174.28

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1.5x scale

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.