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Finding the Fourth Proportional to 223,548.96, 308,496.16 and 126,771.16

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Solution

The fourth proportional to 223,548.96, 308,496.16 and 126,771.16 is: 174,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,548.96 : 308,496.16 = 126,771.16 : x
  2. Step 2: Convert to fraction form
    223,548.96/308,496.16 = 126,771.16/x
  3. Step 3: Cross multiply
    223,548.96x = 308,496.16 × 126,771.16
  4. Step 4: Simplify right side
    223,548.96x = 39,108,416,058.75
  5. Step 5: Solve for x
    x = 39,108,416,058.75/223,548.96
  6. Step 6: Final answer
    x = 174,943.40

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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.