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Finding the Fourth Proportional to 223,522.14, 308,451.16 and 126,732.51

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Solution

The fourth proportional to 223,522.14, 308,451.16 and 126,732.51 is: 174,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,522.14 : 308,451.16 = 126,732.51 : x
  2. Step 2: Convert to fraction form
    223,522.14/308,451.16 = 126,732.51/x
  3. Step 3: Cross multiply
    223,522.14x = 308,451.16 × 126,732.51
  4. Step 4: Simplify right side
    223,522.14x = 39,090,788,176.96
  5. Step 5: Solve for x
    x = 39,090,788,176.96/223,522.14
  6. Step 6: Final answer
    x = 174,885.53

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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.