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Finding the Fourth Proportional to 223,607.52, 308,576.70 and 126,829.80

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Solution

The fourth proportional to 223,607.52, 308,576.70 and 126,829.80 is: 175,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,607.52 : 308,576.70 = 126,829.80 : x
  2. Step 2: Convert to fraction form
    223,607.52/308,576.70 = 126,829.80/x
  3. Step 3: Cross multiply
    223,607.52x = 308,576.70 × 126,829.80
  4. Step 4: Simplify right side
    223,607.52x = 39,136,721,145.66
  5. Step 5: Solve for x
    x = 39,136,721,145.66/223,607.52
  6. Step 6: Final answer
    x = 175,024.17

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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.