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Finding the Fourth Proportional to 144,693.93, 199,779.99 and 93,731.97

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Solution

The fourth proportional to 144,693.93, 199,779.99 and 93,731.97 is: 129,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,693.93 : 199,779.99 = 93,731.97 : x
  2. Step 2: Convert to fraction form
    144,693.93/199,779.99 = 93,731.97/x
  3. Step 3: Cross multiply
    144,693.93x = 199,779.99 × 93,731.97
  4. Step 4: Simplify right side
    144,693.93x = 18,725,772,029.28
  5. Step 5: Solve for x
    x = 18,725,772,029.28/144,693.93
  6. Step 6: Final answer
    x = 129,416.43

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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.