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Finding the Fourth Proportional to 156,598.16, 234,933.12 and 67,866.56

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Solution

The fourth proportional to 156,598.16, 234,933.12 and 67,866.56 is: 101,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,598.16 : 234,933.12 = 67,866.56 : x
  2. Step 2: Convert to fraction form
    156,598.16/234,933.12 = 67,866.56/x
  3. Step 3: Cross multiply
    156,598.16x = 234,933.12 × 67,866.56
  4. Step 4: Simplify right side
    156,598.16x = 15,944,102,684.47
  5. Step 5: Solve for x
    x = 15,944,102,684.47/156,598.16
  6. Step 6: Final answer
    x = 101,815.39

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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.