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Finding the Fourth Proportional to 252,751.98, 348,899.52 and 172,260.86

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Solution

The fourth proportional to 252,751.98, 348,899.52 and 172,260.86 is: 237,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,751.98 : 348,899.52 = 172,260.86 : x
  2. Step 2: Convert to fraction form
    252,751.98/348,899.52 = 172,260.86/x
  3. Step 3: Cross multiply
    252,751.98x = 348,899.52 × 172,260.86
  4. Step 4: Simplify right side
    252,751.98x = 60,101,731,368.79
  5. Step 5: Solve for x
    x = 60,101,731,368.79/252,751.98
  6. Step 6: Final answer
    x = 237,789.36

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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.