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Finding the Fourth Proportional to 267,535.09, 369,201.43 and 152,828.92

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Solution

The fourth proportional to 267,535.09, 369,201.43 and 152,828.92 is: 210,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,535.09 : 369,201.43 = 152,828.92 : x
  2. Step 2: Convert to fraction form
    267,535.09/369,201.43 = 152,828.92/x
  3. Step 3: Cross multiply
    267,535.09x = 369,201.43 × 152,828.92
  4. Step 4: Simplify right side
    267,535.09x = 56,424,655,809.36
  5. Step 5: Solve for x
    x = 56,424,655,809.36/267,535.09
  6. Step 6: Final answer
    x = 210,905.63

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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.