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Finding the Fourth Proportional to 93,469.80, 140,204.70 and 83,136.23

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Solution

The fourth proportional to 93,469.80, 140,204.70 and 83,136.23 is: 124,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469.80 : 140,204.70 = 83,136.23 : x
  2. Step 2: Convert to fraction form
    93,469.80/140,204.70 = 83,136.23/x
  3. Step 3: Cross multiply
    93,469.80x = 140,204.70 × 83,136.23
  4. Step 4: Simplify right side
    93,469.80x = 11,656,090,186.28
  5. Step 5: Solve for x
    x = 11,656,090,186.28/93,469.80
  6. Step 6: Final answer
    x = 124,704.35

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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.