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Finding the Fourth Proportional to 133,102.72, 199,682.72 and 38,332.24

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Solution

The fourth proportional to 133,102.72, 199,682.72 and 38,332.24 is: 57,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,102.72 : 199,682.72 = 38,332.24 : x
  2. Step 2: Convert to fraction form
    133,102.72/199,682.72 = 38,332.24/x
  3. Step 3: Cross multiply
    133,102.72x = 199,682.72 × 38,332.24
  4. Step 4: Simplify right side
    133,102.72x = 7,654,285,946.89
  5. Step 5: Solve for x
    x = 7,654,285,946.89/133,102.72
  6. Step 6: Final answer
    x = 57,506.61

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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.