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Finding the Fourth Proportional to 313,098.94, 432,076.72 and 169,858.98

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Solution

The fourth proportional to 313,098.94, 432,076.72 and 169,858.98 is: 234,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,098.94 : 432,076.72 = 169,858.98 : x
  2. Step 2: Convert to fraction form
    313,098.94/432,076.72 = 169,858.98/x
  3. Step 3: Cross multiply
    313,098.94x = 432,076.72 × 169,858.98
  4. Step 4: Simplify right side
    313,098.94x = 73,392,110,940.95
  5. Step 5: Solve for x
    x = 73,392,110,940.95/313,098.94
  6. Step 6: Final answer
    x = 234,405.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.