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Finding the Fourth Proportional to 236,455.76, 354,604.98 and 76,493.72

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Solution

The fourth proportional to 236,455.76, 354,604.98 and 76,493.72 is: 114,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,455.76 : 354,604.98 = 76,493.72 : x
  2. Step 2: Convert to fraction form
    236,455.76/354,604.98 = 76,493.72/x
  3. Step 3: Cross multiply
    236,455.76x = 354,604.98 × 76,493.72
  4. Step 4: Simplify right side
    236,455.76x = 27,125,054,050.73
  5. Step 5: Solve for x
    x = 27,125,054,050.73/236,455.76
  6. Step 6: Final answer
    x = 114,715.13

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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.