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Finding the Fourth Proportional to 156,560.19, 235,163.72 and 149,737.78

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Solution

The fourth proportional to 156,560.19, 235,163.72 and 149,737.78 is: 224,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560.19 : 235,163.72 = 149,737.78 : x
  2. Step 2: Convert to fraction form
    156,560.19/235,163.72 = 149,737.78/x
  3. Step 3: Cross multiply
    156,560.19x = 235,163.72 × 149,737.78
  4. Step 4: Simplify right side
    156,560.19x = 35,212,893,369.34
  5. Step 5: Solve for x
    x = 35,212,893,369.34/156,560.19
  6. Step 6: Final answer
    x = 224,916.01

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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.