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Finding the Fourth Proportional to 133,762.24, 200,724.88 and 53,785.22

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Solution

The fourth proportional to 133,762.24, 200,724.88 and 53,785.22 is: 80,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,762.24 : 200,724.88 = 53,785.22 : x
  2. Step 2: Convert to fraction form
    133,762.24/200,724.88 = 53,785.22/x
  3. Step 3: Cross multiply
    133,762.24x = 200,724.88 × 53,785.22
  4. Step 4: Simplify right side
    133,762.24x = 10,796,031,830.27
  5. Step 5: Solve for x
    x = 10,796,031,830.27/133,762.24
  6. Step 6: Final answer
    x = 80,710.61

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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.