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Finding the Fourth Proportional to 157,758, 236,644.68 and 46,950.96

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Solution

The fourth proportional to 157,758, 236,644.68 and 46,950.96 is: 70,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,758 : 236,644.68 = 46,950.96 : x
  2. Step 2: Convert to fraction form
    157,758/236,644.68 = 46,950.96/x
  3. Step 3: Cross multiply
    157,758x = 236,644.68 × 46,950.96
  4. Step 4: Simplify right side
    157,758x = 11,110,694,904.89
  5. Step 5: Solve for x
    x = 11,110,694,904.89/157,758
  6. Step 6: Final answer
    x = 70,428.73

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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.