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Finding the Fourth Proportional to 170,759.12, 235,638 and 95,312.48

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Solution

The fourth proportional to 170,759.12, 235,638 and 95,312.48 is: 131,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,759.12 : 235,638 = 95,312.48 : x
  2. Step 2: Convert to fraction form
    170,759.12/235,638 = 95,312.48/x
  3. Step 3: Cross multiply
    170,759.12x = 235,638 × 95,312.48
  4. Step 4: Simplify right side
    170,759.12x = 22,459,242,162.24
  5. Step 5: Solve for x
    x = 22,459,242,162.24/170,759.12
  6. Step 6: Final answer
    x = 131,525.87

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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.