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Finding the Fourth Proportional to 170,563, 235,381.80 and 95,116.36

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Solution

The fourth proportional to 170,563, 235,381.80 and 95,116.36 is: 131,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,563 : 235,381.80 = 95,116.36 : x
  2. Step 2: Convert to fraction form
    170,563/235,381.80 = 95,116.36/x
  3. Step 3: Cross multiply
    170,563x = 235,381.80 × 95,116.36
  4. Step 4: Simplify right side
    170,563x = 22,388,660,026.25
  5. Step 5: Solve for x
    x = 22,388,660,026.25/170,563
  6. Step 6: Final answer
    x = 131,263.29

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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.