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Finding the Fourth Proportional to 170,988, 235,963.53 and 95,536.50

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Solution

The fourth proportional to 170,988, 235,963.53 and 95,536.50 is: 131,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,988 : 235,963.53 = 95,536.50 : x
  2. Step 2: Convert to fraction form
    170,988/235,963.53 = 95,536.50/x
  3. Step 3: Cross multiply
    170,988x = 235,963.53 × 95,536.50
  4. Step 4: Simplify right side
    170,988x = 22,543,129,783.85
  5. Step 5: Solve for x
    x = 22,543,129,783.85/170,988
  6. Step 6: Final answer
    x = 131,840.42

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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.