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Finding the Fourth Proportional to 269,866.08, 372,373.20 and 156,669.12

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Solution

The fourth proportional to 269,866.08, 372,373.20 and 156,669.12 is: 216,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,866.08 : 372,373.20 = 156,669.12 : x
  2. Step 2: Convert to fraction form
    269,866.08/372,373.20 = 156,669.12/x
  3. Step 3: Cross multiply
    269,866.08x = 372,373.20 × 156,669.12
  4. Step 4: Simplify right side
    269,866.08x = 58,339,381,555.58
  5. Step 5: Solve for x
    x = 58,339,381,555.58/269,866.08
  6. Step 6: Final answer
    x = 216,179.01

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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.