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Finding the Fourth Proportional to 223,575.18, 308,532.29 and 126,797.46

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Solution

The fourth proportional to 223,575.18, 308,532.29 and 126,797.46 is: 174,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,575.18 : 308,532.29 = 126,797.46 : x
  2. Step 2: Convert to fraction form
    223,575.18/308,532.29 = 126,797.46/x
  3. Step 3: Cross multiply
    223,575.18x = 308,532.29 × 126,797.46
  4. Step 4: Simplify right side
    223,575.18x = 39,121,110,066.00
  5. Step 5: Solve for x
    x = 39,121,110,066.00/223,575.18
  6. Step 6: Final answer
    x = 174,979.66

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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.