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Finding the Fourth Proportional to 133,656.72, 200,460.86 and 53,691.46

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Solution

The fourth proportional to 133,656.72, 200,460.86 and 53,691.46 is: 80,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,656.72 : 200,460.86 = 53,691.46 : x
  2. Step 2: Convert to fraction form
    133,656.72/200,460.86 = 53,691.46/x
  3. Step 3: Cross multiply
    133,656.72x = 200,460.86 × 53,691.46
  4. Step 4: Simplify right side
    133,656.72x = 10,763,036,246.26
  5. Step 5: Solve for x
    x = 10,763,036,246.26/133,656.72
  6. Step 6: Final answer
    x = 80,527.46

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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.