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Finding the Fourth Proportional to 255,842.10, 353,125.38 and 174,305.28

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Solution

The fourth proportional to 255,842.10, 353,125.38 and 174,305.28 is: 240,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,842.10 : 353,125.38 = 174,305.28 : x
  2. Step 2: Convert to fraction form
    255,842.10/353,125.38 = 174,305.28/x
  3. Step 3: Cross multiply
    255,842.10x = 353,125.38 × 174,305.28
  4. Step 4: Simplify right side
    255,842.10x = 61,551,618,236.01
  5. Step 5: Solve for x
    x = 61,551,618,236.01/255,842.10
  6. Step 6: Final answer
    x = 240,584.40

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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.