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Finding the Fourth Proportional to 223,549.96, 308,497.54 and 126,772.16

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Solution

The fourth proportional to 223,549.96, 308,497.54 and 126,772.16 is: 174,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,549.96 : 308,497.54 = 126,772.16 : x
  2. Step 2: Convert to fraction form
    223,549.96/308,497.54 = 126,772.16/x
  3. Step 3: Cross multiply
    223,549.96x = 308,497.54 × 126,772.16
  4. Step 4: Simplify right side
    223,549.96x = 39,108,899,500.49
  5. Step 5: Solve for x
    x = 39,108,899,500.49/223,549.96
  6. Step 6: Final answer
    x = 174,944.78

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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.