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Finding the Fourth Proportional to 170,999.16, 235,978.26 and 95,547.66

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Solution

The fourth proportional to 170,999.16, 235,978.26 and 95,547.66 is: 131,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.16 : 235,978.26 = 95,547.66 : x
  2. Step 2: Convert to fraction form
    170,999.16/235,978.26 = 95,547.66/x
  3. Step 3: Cross multiply
    170,999.16x = 235,978.26 × 95,547.66
  4. Step 4: Simplify right side
    170,999.16x = 22,547,170,553.87
  5. Step 5: Solve for x
    x = 22,547,170,553.87/170,999.16
  6. Step 6: Final answer
    x = 131,855.45

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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.