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Finding the Fourth Proportional to 238,761.60, 358,332.48 and 133,560.96

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Solution

The fourth proportional to 238,761.60, 358,332.48 and 133,560.96 is: 200,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,761.60 : 358,332.48 = 133,560.96 : x
  2. Step 2: Convert to fraction form
    238,761.60/358,332.48 = 133,560.96/x
  3. Step 3: Cross multiply
    238,761.60x = 358,332.48 × 133,560.96
  4. Step 4: Simplify right side
    238,761.60x = 47,859,230,027.98
  5. Step 5: Solve for x
    x = 47,859,230,027.98/238,761.60
  6. Step 6: Final answer
    x = 200,447.77

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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.