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Finding the Fourth Proportional to 170,999.38, 235,978.64 and 95,547.94

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Solution

The fourth proportional to 170,999.38, 235,978.64 and 95,547.94 is: 131,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.38 : 235,978.64 = 95,547.94 : x
  2. Step 2: Convert to fraction form
    170,999.38/235,978.64 = 95,547.94/x
  3. Step 3: Cross multiply
    170,999.38x = 235,978.64 × 95,547.94
  4. Step 4: Simplify right side
    170,999.38x = 22,547,272,936.00
  5. Step 5: Solve for x
    x = 22,547,272,936.00/170,999.38
  6. Step 6: Final answer
    x = 131,855.88

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1.5x scale

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.