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Finding the Fourth Proportional to 269,666.30, 372,213.52 and 156,525.50

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Solution

The fourth proportional to 269,666.30, 372,213.52 and 156,525.50 is: 216,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,666.30 : 372,213.52 = 156,525.50 : x
  2. Step 2: Convert to fraction form
    269,666.30/372,213.52 = 156,525.50/x
  3. Step 3: Cross multiply
    269,666.30x = 372,213.52 × 156,525.50
  4. Step 4: Simplify right side
    269,666.30x = 58,260,907,324.76
  5. Step 5: Solve for x
    x = 58,260,907,324.76/269,666.30
  6. Step 6: Final answer
    x = 216,048.16

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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.