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Finding the Fourth Proportional to 167,675.61, 231,293.61 and 105,487.02

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Solution

The fourth proportional to 167,675.61, 231,293.61 and 105,487.02 is: 145,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,675.61 : 231,293.61 = 105,487.02 : x
  2. Step 2: Convert to fraction form
    167,675.61/231,293.61 = 105,487.02/x
  3. Step 3: Cross multiply
    167,675.61x = 231,293.61 × 105,487.02
  4. Step 4: Simplify right side
    167,675.61x = 24,398,473,663.94
  5. Step 5: Solve for x
    x = 24,398,473,663.94/167,675.61
  6. Step 6: Final answer
    x = 145,509.97

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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.