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Finding the Fourth Proportional to 356,544.72, 534,747.96 and 134,946

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Solution

The fourth proportional to 356,544.72, 534,747.96 and 134,946 is: 202,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,544.72 : 534,747.96 = 134,946 : x
  2. Step 2: Convert to fraction form
    356,544.72/534,747.96 = 134,946/x
  3. Step 3: Cross multiply
    356,544.72x = 534,747.96 × 134,946
  4. Step 4: Simplify right side
    356,544.72x = 72,162,098,210.16
  5. Step 5: Solve for x
    x = 72,162,098,210.16/356,544.72
  6. Step 6: Final answer
    x = 202,392.84

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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.