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Finding the Fourth Proportional to 117,136.42, 175,737.42 and 47,064.94

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Solution

The fourth proportional to 117,136.42, 175,737.42 and 47,064.94 is: 70,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.42 : 175,737.42 = 47,064.94 : x
  2. Step 2: Convert to fraction form
    117,136.42/175,737.42 = 47,064.94/x
  3. Step 3: Cross multiply
    117,136.42x = 175,737.42 × 47,064.94
  4. Step 4: Simplify right side
    117,136.42x = 8,271,071,128.05
  5. Step 5: Solve for x
    x = 8,271,071,128.05/117,136.42
  6. Step 6: Final answer
    x = 70,610.58

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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.