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Finding the Fourth Proportional to 246,065.76, 368,811.90 and 112,960.08

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Solution

The fourth proportional to 246,065.76, 368,811.90 and 112,960.08 is: 169,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,065.76 : 368,811.90 = 112,960.08 : x
  2. Step 2: Convert to fraction form
    246,065.76/368,811.90 = 112,960.08/x
  3. Step 3: Cross multiply
    246,065.76x = 368,811.90 × 112,960.08
  4. Step 4: Simplify right side
    246,065.76x = 41,661,021,728.95
  5. Step 5: Solve for x
    x = 41,661,021,728.95/246,065.76
  6. Step 6: Final answer
    x = 169,308.49

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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.