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Finding the Fourth Proportional to 242,354.31, 363,586.76 and 73,889.70

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Solution

The fourth proportional to 242,354.31, 363,586.76 and 73,889.70 is: 110,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,354.31 : 363,586.76 = 73,889.70 : x
  2. Step 2: Convert to fraction form
    242,354.31/363,586.76 = 73,889.70/x
  3. Step 3: Cross multiply
    242,354.31x = 363,586.76 × 73,889.70
  4. Step 4: Simplify right side
    242,354.31x = 26,865,316,250.92
  5. Step 5: Solve for x
    x = 26,865,316,250.92/242,354.31
  6. Step 6: Final answer
    x = 110,851.41

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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.