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Finding the Fourth Proportional to 178,026.62, 245,658.46 and 101,539.94

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Solution

The fourth proportional to 178,026.62, 245,658.46 and 101,539.94 is: 140,114.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,026.62 : 245,658.46 = 101,539.94 : x
  2. Step 2: Convert to fraction form
    178,026.62/245,658.46 = 101,539.94/x
  3. Step 3: Cross multiply
    178,026.62x = 245,658.46 × 101,539.94
  4. Step 4: Simplify right side
    178,026.62x = 24,944,145,581.63
  5. Step 5: Solve for x
    x = 24,944,145,581.63/178,026.62
  6. Step 6: Final answer
    x = 140,114.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.