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Finding the Fourth Proportional to 267,653.85, 369,328.05 and 152,939.78

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Solution

The fourth proportional to 267,653.85, 369,328.05 and 152,939.78 is: 211,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,653.85 : 369,328.05 = 152,939.78 : x
  2. Step 2: Convert to fraction form
    267,653.85/369,328.05 = 152,939.78/x
  3. Step 3: Cross multiply
    267,653.85x = 369,328.05 × 152,939.78
  4. Step 4: Simplify right side
    267,653.85x = 56,484,948,868.19
  5. Step 5: Solve for x
    x = 56,484,948,868.19/267,653.85
  6. Step 6: Final answer
    x = 211,037.31

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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.