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Finding the Fourth Proportional to 156,600.78, 234,900.24 and 56,737.63

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Solution

The fourth proportional to 156,600.78, 234,900.24 and 56,737.63 is: 85,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,600.78 : 234,900.24 = 56,737.63 : x
  2. Step 2: Convert to fraction form
    156,600.78/234,900.24 = 56,737.63/x
  3. Step 3: Cross multiply
    156,600.78x = 234,900.24 × 56,737.63
  4. Step 4: Simplify right side
    156,600.78x = 13,327,682,904.03
  5. Step 5: Solve for x
    x = 13,327,682,904.03/156,600.78
  6. Step 6: Final answer
    x = 85,106.11

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1.5x scale

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.