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Finding the Fourth Proportional to 265,213.72, 366,006.86 and 163,243.88

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Solution

The fourth proportional to 265,213.72, 366,006.86 and 163,243.88 is: 225,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,213.72 : 366,006.86 = 163,243.88 : x
  2. Step 2: Convert to fraction form
    265,213.72/366,006.86 = 163,243.88/x
  3. Step 3: Cross multiply
    265,213.72x = 366,006.86 × 163,243.88
  4. Step 4: Simplify right side
    265,213.72x = 59,748,379,933.02
  5. Step 5: Solve for x
    x = 59,748,379,933.02/265,213.72
  6. Step 6: Final answer
    x = 225,283.90

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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.