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Finding the Fourth Proportional to 307,707.32, 461,627.72 and 94,475.96

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Solution

The fourth proportional to 307,707.32, 461,627.72 and 94,475.96 is: 141,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,707.32 : 461,627.72 = 94,475.96 : x
  2. Step 2: Convert to fraction form
    307,707.32/461,627.72 = 94,475.96/x
  3. Step 3: Cross multiply
    307,707.32x = 461,627.72 × 94,475.96
  4. Step 4: Simplify right side
    307,707.32x = 43,612,722,009.61
  5. Step 5: Solve for x
    x = 43,612,722,009.61/307,707.32
  6. Step 6: Final answer
    x = 141,734.43

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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.