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Finding the Fourth Proportional to 133,953.60, 200,857.40 and 40,447.20

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Solution

The fourth proportional to 133,953.60, 200,857.40 and 40,447.20 is: 60,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,953.60 : 200,857.40 = 40,447.20 : x
  2. Step 2: Convert to fraction form
    133,953.60/200,857.40 = 40,447.20/x
  3. Step 3: Cross multiply
    133,953.60x = 200,857.40 × 40,447.20
  4. Step 4: Simplify right side
    133,953.60x = 8,124,119,429.28
  5. Step 5: Solve for x
    x = 8,124,119,429.28/133,953.60
  6. Step 6: Final answer
    x = 60,648.76

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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.