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Finding the Fourth Proportional to 243,375.94, 365,098.51 and 74,910.31

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Solution

The fourth proportional to 243,375.94, 365,098.51 and 74,910.31 is: 112,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,375.94 : 365,098.51 = 74,910.31 : x
  2. Step 2: Convert to fraction form
    243,375.94/365,098.51 = 74,910.31/x
  3. Step 3: Cross multiply
    243,375.94x = 365,098.51 × 74,910.31
  4. Step 4: Simplify right side
    243,375.94x = 27,349,640,739.15
  5. Step 5: Solve for x
    x = 27,349,640,739.15/243,375.94
  6. Step 6: Final answer
    x = 112,376.11

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1.5x scale

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.