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Finding the Fourth Proportional to 64,136.80, 96,059.40 and 32,935.60

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Solution

The fourth proportional to 64,136.80, 96,059.40 and 32,935.60 is: 49,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.80 : 96,059.40 = 32,935.60 : x
  2. Step 2: Convert to fraction form
    64,136.80/96,059.40 = 32,935.60/x
  3. Step 3: Cross multiply
    64,136.80x = 96,059.40 × 32,935.60
  4. Step 4: Simplify right side
    64,136.80x = 3,163,773,974.64
  5. Step 5: Solve for x
    x = 3,163,773,974.64/64,136.80
  6. Step 6: Final answer
    x = 49,328.53

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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.