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Finding the Fourth Proportional to 157,247.86, 235,674.89 and 123,835.97

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Solution

The fourth proportional to 157,247.86, 235,674.89 and 123,835.97 is: 185,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,247.86 : 235,674.89 = 123,835.97 : x
  2. Step 2: Convert to fraction form
    157,247.86/235,674.89 = 123,835.97/x
  3. Step 3: Cross multiply
    157,247.86x = 235,674.89 × 123,835.97
  4. Step 4: Simplify right side
    157,247.86x = 29,185,028,607.79
  5. Step 5: Solve for x
    x = 29,185,028,607.79/157,247.86
  6. Step 6: Final answer
    x = 185,598.89

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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.