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Finding the Fourth Proportional to 93,136.28, 128,524.49 and 52,847.64

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Solution

The fourth proportional to 93,136.28, 128,524.49 and 52,847.64 is: 72,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.28 : 128,524.49 = 52,847.64 : x
  2. Step 2: Convert to fraction form
    93,136.28/128,524.49 = 52,847.64/x
  3. Step 3: Cross multiply
    93,136.28x = 128,524.49 × 52,847.64
  4. Step 4: Simplify right side
    93,136.28x = 6,792,215,071.84
  5. Step 5: Solve for x
    x = 6,792,215,071.84/93,136.28
  6. Step 6: Final answer
    x = 72,927.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.