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Finding the Fourth Proportional to 267,641.15, 369,310.62 and 152,927.22

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Solution

The fourth proportional to 267,641.15, 369,310.62 and 152,927.22 is: 211,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,641.15 : 369,310.62 = 152,927.22 : x
  2. Step 2: Convert to fraction form
    267,641.15/369,310.62 = 152,927.22/x
  3. Step 3: Cross multiply
    267,641.15x = 369,310.62 × 152,927.22
  4. Step 4: Simplify right side
    267,641.15x = 56,477,646,433.08
  5. Step 5: Solve for x
    x = 56,477,646,433.08/267,641.15
  6. Step 6: Final answer
    x = 211,020.04

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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.