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Finding the Fourth Proportional to 93,571.80, 129,136.44 and 53,287.26

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Solution

The fourth proportional to 93,571.80, 129,136.44 and 53,287.26 is: 73,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,571.80 : 129,136.44 = 53,287.26 : x
  2. Step 2: Convert to fraction form
    93,571.80/129,136.44 = 53,287.26/x
  3. Step 3: Cross multiply
    93,571.80x = 129,136.44 × 53,287.26
  4. Step 4: Simplify right side
    93,571.80x = 6,881,327,053.75
  5. Step 5: Solve for x
    x = 6,881,327,053.75/93,571.80
  6. Step 6: Final answer
    x = 73,540.61

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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.