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Finding the Fourth Proportional to 156,594.16, 234,927.12 and 67,862.56

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Solution

The fourth proportional to 156,594.16, 234,927.12 and 67,862.56 is: 101,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,594.16 : 234,927.12 = 67,862.56 : x
  2. Step 2: Convert to fraction form
    156,594.16/234,927.12 = 67,862.56/x
  3. Step 3: Cross multiply
    156,594.16x = 234,927.12 × 67,862.56
  4. Step 4: Simplify right side
    156,594.16x = 15,942,755,776.63
  5. Step 5: Solve for x
    x = 15,942,755,776.63/156,594.16
  6. Step 6: Final answer
    x = 101,809.39

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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.