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Finding the Fourth Proportional to 156,898.84, 235,448.34 and 57,049.46

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Solution

The fourth proportional to 156,898.84, 235,448.34 and 57,049.46 is: 85,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,898.84 : 235,448.34 = 57,049.46 : x
  2. Step 2: Convert to fraction form
    156,898.84/235,448.34 = 57,049.46/x
  3. Step 3: Cross multiply
    156,898.84x = 235,448.34 × 57,049.46
  4. Step 4: Simplify right side
    156,898.84x = 13,432,200,654.90
  5. Step 5: Solve for x
    x = 13,432,200,654.90/156,898.84
  6. Step 6: Final answer
    x = 85,610.58

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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.